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Finding the Fourth Proportional to 224,568.60, 309,904.02 and 123,966.60

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Solution

The fourth proportional to 224,568.60, 309,904.02 and 123,966.60 is: 171,073.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,568.60 : 309,904.02 = 123,966.60 : x
  2. Step 2: Convert to fraction form
    224,568.60/309,904.02 = 123,966.60/x
  3. Step 3: Cross multiply
    224,568.60x = 309,904.02 × 123,966.60
  4. Step 4: Simplify right side
    224,568.60x = 38,417,747,685.73
  5. Step 5: Solve for x
    x = 38,417,747,685.73/224,568.60
  6. Step 6: Final answer
    x = 171,073.55

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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.