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Finding the Fourth Proportional to 92,132.52, 138,031.11 and 63,993.12

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Solution

The fourth proportional to 92,132.52, 138,031.11 and 63,993.12 is: 95,873.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,132.52 : 138,031.11 = 63,993.12 : x
  2. Step 2: Convert to fraction form
    92,132.52/138,031.11 = 63,993.12/x
  3. Step 3: Cross multiply
    92,132.52x = 138,031.11 × 63,993.12
  4. Step 4: Simplify right side
    92,132.52x = 8,833,041,385.96
  5. Step 5: Solve for x
    x = 8,833,041,385.96/92,132.52
  6. Step 6: Final answer
    x = 95,873.22

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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.