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Finding the Fourth Proportional to 88,616.26, 132,944.15 and 25,431.46

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Solution

The fourth proportional to 88,616.26, 132,944.15 and 25,431.46 is: 38,152.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,616.26 : 132,944.15 = 25,431.46 : x
  2. Step 2: Convert to fraction form
    88,616.26/132,944.15 = 25,431.46/x
  3. Step 3: Cross multiply
    88,616.26x = 132,944.15 × 25,431.46
  4. Step 4: Simplify right side
    88,616.26x = 3,380,963,041.08
  5. Step 5: Solve for x
    x = 3,380,963,041.08/88,616.26
  6. Step 6: Final answer
    x = 38,152.85

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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.