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Finding the Fourth Proportional to 96,030.70, 144,046.05 and 80,824.30

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Solution

The fourth proportional to 96,030.70, 144,046.05 and 80,824.30 is: 121,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,030.70 : 144,046.05 = 80,824.30 : x
  2. Step 2: Convert to fraction form
    96,030.70/144,046.05 = 80,824.30/x
  3. Step 3: Cross multiply
    96,030.70x = 144,046.05 × 80,824.30
  4. Step 4: Simplify right side
    96,030.70x = 11,642,421,159.02
  5. Step 5: Solve for x
    x = 11,642,421,159.02/96,030.70
  6. Step 6: Final answer
    x = 121,236.45

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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.