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Finding the Fourth Proportional to 88,344.80, 132,471.60 and 26,007.20

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Solution

The fourth proportional to 88,344.80, 132,471.60 and 26,007.20 is: 38,997.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,344.80 : 132,471.60 = 26,007.20 : x
  2. Step 2: Convert to fraction form
    88,344.80/132,471.60 = 26,007.20/x
  3. Step 3: Cross multiply
    88,344.80x = 132,471.60 × 26,007.20
  4. Step 4: Simplify right side
    88,344.80x = 3,445,215,395.52
  5. Step 5: Solve for x
    x = 3,445,215,395.52/88,344.80
  6. Step 6: Final answer
    x = 38,997.38

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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.