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Finding the Fourth Proportional to 92,489.99, 138,745.65 and 32,500.04

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Solution

The fourth proportional to 92,489.99, 138,745.65 and 32,500.04 is: 48,753.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,489.99 : 138,745.65 = 32,500.04 : x
  2. Step 2: Convert to fraction form
    92,489.99/138,745.65 = 32,500.04/x
  3. Step 3: Cross multiply
    92,489.99x = 138,745.65 × 32,500.04
  4. Step 4: Simplify right side
    92,489.99x = 4,509,239,174.83
  5. Step 5: Solve for x
    x = 4,509,239,174.83/92,489.99
  6. Step 6: Final answer
    x = 48,753.81

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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.