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Finding the Fourth Proportional to 224,435.31, 309,727.22 and 123,839.79

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Solution

The fourth proportional to 224,435.31, 309,727.22 and 123,839.79 is: 170,902.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,435.31 : 309,727.22 = 123,839.79 : x
  2. Step 2: Convert to fraction form
    224,435.31/309,727.22 = 123,839.79/x
  3. Step 3: Cross multiply
    224,435.31x = 309,727.22 × 123,839.79
  4. Step 4: Simplify right side
    224,435.31x = 38,356,553,882.08
  5. Step 5: Solve for x
    x = 38,356,553,882.08/224,435.31
  6. Step 6: Final answer
    x = 170,902.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.