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Finding the Fourth Proportional to 84,096,043.60, 126,144,065.40 and 84,096,043.60

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Solution

The fourth proportional to 84,096,043.60, 126,144,065.40 and 84,096,043.60 is: 126,144,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,096,043.60 : 126,144,065.40 = 84,096,043.60 : x
  2. Step 2: Convert to fraction form
    84,096,043.60/126,144,065.40 = 84,096,043.60/x
  3. Step 3: Cross multiply
    84,096,043.60x = 126,144,065.40 × 84,096,043.60
  4. Step 4: Simplify right side
    84,096,043.60x = 10,608,216,823,759,652
  5. Step 5: Solve for x
    x = 10,608,216,823,759,652/84,096,043.60
  6. Step 6: Final answer
    x = 126,144,065.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.