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Finding the Fourth Proportional to 80,754, 111,435.95 and 44,454.66

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Solution

The fourth proportional to 80,754, 111,435.95 and 44,454.66 is: 61,344.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,754 : 111,435.95 = 44,454.66 : x
  2. Step 2: Convert to fraction form
    80,754/111,435.95 = 44,454.66/x
  3. Step 3: Cross multiply
    80,754x = 111,435.95 × 44,454.66
  4. Step 4: Simplify right side
    80,754x = 4,953,847,046.75
  5. Step 5: Solve for x
    x = 4,953,847,046.75/80,754
  6. Step 6: Final answer
    x = 61,344.91

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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.