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Finding the Fourth Proportional to 237,337.29, 355,890.87 and 87,648.12

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Solution

The fourth proportional to 237,337.29, 355,890.87 and 87,648.12 is: 131,429.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,337.29 : 355,890.87 = 87,648.12 : x
  2. Step 2: Convert to fraction form
    237,337.29/355,890.87 = 87,648.12/x
  3. Step 3: Cross multiply
    237,337.29x = 355,890.87 × 87,648.12
  4. Step 4: Simplify right side
    237,337.29x = 31,193,165,680.66
  5. Step 5: Solve for x
    x = 31,193,165,680.66/237,337.29
  6. Step 6: Final answer
    x = 131,429.69

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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.