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Finding the Fourth Proportional to 92,487.99, 138,742.65 and 32,498.04

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Solution

The fourth proportional to 92,487.99, 138,742.65 and 32,498.04 is: 48,750.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,487.99 : 138,742.65 = 32,498.04 : x
  2. Step 2: Convert to fraction form
    92,487.99/138,742.65 = 32,498.04/x
  3. Step 3: Cross multiply
    92,487.99x = 138,742.65 × 32,498.04
  4. Step 4: Simplify right side
    92,487.99x = 4,508,864,189.41
  5. Step 5: Solve for x
    x = 4,508,864,189.41/92,487.99
  6. Step 6: Final answer
    x = 48,750.81

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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.