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Finding the Fourth Proportional to 92,542.48, 138,870.83 and 36,372.74

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Solution

The fourth proportional to 92,542.48, 138,870.83 and 36,372.74 is: 54,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,542.48 : 138,870.83 = 36,372.74 : x
  2. Step 2: Convert to fraction form
    92,542.48/138,870.83 = 36,372.74/x
  3. Step 3: Cross multiply
    92,542.48x = 138,870.83 × 36,372.74
  4. Step 4: Simplify right side
    92,542.48x = 5,051,111,989.75
  5. Step 5: Solve for x
    x = 5,051,111,989.75/92,542.48
  6. Step 6: Final answer
    x = 54,581.55

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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.