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Finding the Fourth Proportional to 224,759.52, 337,138.05 and 91,639.26

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Solution

The fourth proportional to 224,759.52, 337,138.05 and 91,639.26 is: 137,458.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,759.52 : 337,138.05 = 91,639.26 : x
  2. Step 2: Convert to fraction form
    224,759.52/337,138.05 = 91,639.26/x
  3. Step 3: Cross multiply
    224,759.52x = 337,138.05 × 91,639.26
  4. Step 4: Simplify right side
    224,759.52x = 30,895,081,419.84
  5. Step 5: Solve for x
    x = 30,895,081,419.84/224,759.52
  6. Step 6: Final answer
    x = 137,458.39

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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.