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Finding the Fourth Proportional to 67,180.92, 92,722.52 and 44,479.88

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Solution

The fourth proportional to 67,180.92, 92,722.52 and 44,479.88 is: 61,390.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,180.92 : 92,722.52 = 44,479.88 : x
  2. Step 2: Convert to fraction form
    67,180.92/92,722.52 = 44,479.88/x
  3. Step 3: Cross multiply
    67,180.92x = 92,722.52 × 44,479.88
  4. Step 4: Simplify right side
    67,180.92x = 4,124,286,562.90
  5. Step 5: Solve for x
    x = 4,124,286,562.90/67,180.92
  6. Step 6: Final answer
    x = 61,390.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.