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Finding the Fourth Proportional to 88,311.92, 132,467.92 and 21,753.35

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Solution

The fourth proportional to 88,311.92, 132,467.92 and 21,753.35 is: 32,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,311.92 : 132,467.92 = 21,753.35 : x
  2. Step 2: Convert to fraction form
    88,311.92/132,467.92 = 21,753.35/x
  3. Step 3: Cross multiply
    88,311.92x = 132,467.92 × 21,753.35
  4. Step 4: Simplify right side
    88,311.92x = 2,881,620,256.43
  5. Step 5: Solve for x
    x = 2,881,620,256.43/88,311.92
  6. Step 6: Final answer
    x = 32,630.03

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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.