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Finding the Fourth Proportional to 80,482.53, 111,060.68 and 44,672.55

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Solution

The fourth proportional to 80,482.53, 111,060.68 and 44,672.55 is: 61,645.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,482.53 : 111,060.68 = 44,672.55 : x
  2. Step 2: Convert to fraction form
    80,482.53/111,060.68 = 44,672.55/x
  3. Step 3: Cross multiply
    80,482.53x = 111,060.68 × 44,672.55
  4. Step 4: Simplify right side
    80,482.53x = 4,961,363,556.97
  5. Step 5: Solve for x
    x = 4,961,363,556.97/80,482.53
  6. Step 6: Final answer
    x = 61,645.22

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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.