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Finding the Fourth Proportional to 92,617.86, 138,863.61 and 44,561.10

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Solution

The fourth proportional to 92,617.86, 138,863.61 and 44,561.10 is: 66,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,617.86 : 138,863.61 = 44,561.10 : x
  2. Step 2: Convert to fraction form
    92,617.86/138,863.61 = 44,561.10/x
  3. Step 3: Cross multiply
    92,617.86x = 138,863.61 × 44,561.10
  4. Step 4: Simplify right side
    92,617.86x = 6,187,915,211.57
  5. Step 5: Solve for x
    x = 6,187,915,211.57/92,617.86
  6. Step 6: Final answer
    x = 66,811.25

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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.