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Finding the Fourth Proportional to 224,735.40, 337,248.90 and 129,965.40

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Solution

The fourth proportional to 224,735.40, 337,248.90 and 129,965.40 is: 195,032.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,735.40 : 337,248.90 = 129,965.40 : x
  2. Step 2: Convert to fraction form
    224,735.40/337,248.90 = 129,965.40/x
  3. Step 3: Cross multiply
    224,735.40x = 337,248.90 × 129,965.40
  4. Step 4: Simplify right side
    224,735.40x = 43,830,688,188.06
  5. Step 5: Solve for x
    x = 43,830,688,188.06/224,735.40
  6. Step 6: Final answer
    x = 195,032.42

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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.