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Finding the Fourth Proportional to 224,878.40, 337,447.20 and 84,737.60

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Solution

The fourth proportional to 224,878.40, 337,447.20 and 84,737.60 is: 127,155.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,878.40 : 337,447.20 = 84,737.60 : x
  2. Step 2: Convert to fraction form
    224,878.40/337,447.20 = 84,737.60/x
  3. Step 3: Cross multiply
    224,878.40x = 337,447.20 × 84,737.60
  4. Step 4: Simplify right side
    224,878.40x = 28,594,465,854.72
  5. Step 5: Solve for x
    x = 28,594,465,854.72/224,878.40
  6. Step 6: Final answer
    x = 127,155.24

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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.