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Finding the Fourth Proportional to 88,515.30, 132,760.80 and 29,344.80

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Solution

The fourth proportional to 88,515.30, 132,760.80 and 29,344.80 is: 44,013.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,515.30 : 132,760.80 = 29,344.80 : x
  2. Step 2: Convert to fraction form
    88,515.30/132,760.80 = 29,344.80/x
  3. Step 3: Cross multiply
    88,515.30x = 132,760.80 × 29,344.80
  4. Step 4: Simplify right side
    88,515.30x = 3,895,839,123.84
  5. Step 5: Solve for x
    x = 3,895,839,123.84/88,515.30
  6. Step 6: Final answer
    x = 44,013.17

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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.