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Finding the Fourth Proportional to 237,248.52, 355,876.89 and 87,411.68

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Solution

The fourth proportional to 237,248.52, 355,876.89 and 87,411.68 is: 131,119.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,248.52 : 355,876.89 = 87,411.68 : x
  2. Step 2: Convert to fraction form
    237,248.52/355,876.89 = 87,411.68/x
  3. Step 3: Cross multiply
    237,248.52x = 355,876.89 × 87,411.68
  4. Step 4: Simplify right side
    237,248.52x = 31,107,796,828.08
  5. Step 5: Solve for x
    x = 31,107,796,828.08/237,248.52
  6. Step 6: Final answer
    x = 131,119.04

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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.