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Finding the Fourth Proportional to 88,478.92, 132,676.62 and 32,279.32

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Solution

The fourth proportional to 88,478.92, 132,676.62 and 32,279.32 is: 48,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,478.92 : 132,676.62 = 32,279.32 : x
  2. Step 2: Convert to fraction form
    88,478.92/132,676.62 = 32,279.32/x
  3. Step 3: Cross multiply
    88,478.92x = 132,676.62 × 32,279.32
  4. Step 4: Simplify right side
    88,478.92x = 4,282,711,073.50
  5. Step 5: Solve for x
    x = 4,282,711,073.50/88,478.92
  6. Step 6: Final answer
    x = 48,403.74

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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.