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Finding the Fourth Proportional to 169,878.40, 254,817.60 and 151,507.60

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Solution

The fourth proportional to 169,878.40, 254,817.60 and 151,507.60 is: 227,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,878.40 : 254,817.60 = 151,507.60 : x
  2. Step 2: Convert to fraction form
    169,878.40/254,817.60 = 151,507.60/x
  3. Step 3: Cross multiply
    169,878.40x = 254,817.60 × 151,507.60
  4. Step 4: Simplify right side
    169,878.40x = 38,606,803,013.76
  5. Step 5: Solve for x
    x = 38,606,803,013.76/169,878.40
  6. Step 6: Final answer
    x = 227,261.40

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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.