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Finding the Fourth Proportional to 288,557.62, 432,882.94 and 88,877.91

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Solution

The fourth proportional to 288,557.62, 432,882.94 and 88,877.91 is: 133,331.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,557.62 : 432,882.94 = 88,877.91 : x
  2. Step 2: Convert to fraction form
    288,557.62/432,882.94 = 88,877.91/x
  3. Step 3: Cross multiply
    288,557.62x = 432,882.94 × 88,877.91
  4. Step 4: Simplify right side
    288,557.62x = 38,473,730,759.66
  5. Step 5: Solve for x
    x = 38,473,730,759.66/288,557.62
  6. Step 6: Final answer
    x = 133,331.19

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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.