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Finding the Fourth Proportional to 88,305.98, 132,440.42 and 29,127.78

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Solution

The fourth proportional to 88,305.98, 132,440.42 and 29,127.78 is: 43,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,305.98 : 132,440.42 = 29,127.78 : x
  2. Step 2: Convert to fraction form
    88,305.98/132,440.42 = 29,127.78/x
  3. Step 3: Cross multiply
    88,305.98x = 132,440.42 × 29,127.78
  4. Step 4: Simplify right side
    88,305.98x = 3,857,695,271.23
  5. Step 5: Solve for x
    x = 3,857,695,271.23/88,305.98
  6. Step 6: Final answer
    x = 43,685.55

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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.