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Finding the Fourth Proportional to 225,092.90, 337,639.35 and 91,885.70

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Solution

The fourth proportional to 225,092.90, 337,639.35 and 91,885.70 is: 137,828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,092.90 : 337,639.35 = 91,885.70 : x
  2. Step 2: Convert to fraction form
    225,092.90/337,639.35 = 91,885.70/x
  3. Step 3: Cross multiply
    225,092.90x = 337,639.35 × 91,885.70
  4. Step 4: Simplify right side
    225,092.90x = 31,024,228,022.30
  5. Step 5: Solve for x
    x = 31,024,228,022.30/225,092.90
  6. Step 6: Final answer
    x = 137,828.55

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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.