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Finding the Fourth Proportional to 88,685.78, 132,949.55 and 32,512.77

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Solution

The fourth proportional to 88,685.78, 132,949.55 and 32,512.77 is: 48,740.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,685.78 : 132,949.55 = 32,512.77 : x
  2. Step 2: Convert to fraction form
    88,685.78/132,949.55 = 32,512.77/x
  3. Step 3: Cross multiply
    88,685.78x = 132,949.55 × 32,512.77
  4. Step 4: Simplify right side
    88,685.78x = 4,322,558,689.44
  5. Step 5: Solve for x
    x = 4,322,558,689.44/88,685.78
  6. Step 6: Final answer
    x = 48,740.15

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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.