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Finding the Fourth Proportional to 224,836.80, 337,255.20 and 112,862.40

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Solution

The fourth proportional to 224,836.80, 337,255.20 and 112,862.40 is: 169,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,836.80 : 337,255.20 = 112,862.40 : x
  2. Step 2: Convert to fraction form
    224,836.80/337,255.20 = 112,862.40/x
  3. Step 3: Cross multiply
    224,836.80x = 337,255.20 × 112,862.40
  4. Step 4: Simplify right side
    224,836.80x = 38,063,431,284.48
  5. Step 5: Solve for x
    x = 38,063,431,284.48/224,836.80
  6. Step 6: Final answer
    x = 169,293.60

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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.