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Finding the Fourth Proportional to 80,859.88, 111,585.90 and 45,049.24

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Solution

The fourth proportional to 80,859.88, 111,585.90 and 45,049.24 is: 62,167.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,859.88 : 111,585.90 = 45,049.24 : x
  2. Step 2: Convert to fraction form
    80,859.88/111,585.90 = 45,049.24/x
  3. Step 3: Cross multiply
    80,859.88x = 111,585.90 × 45,049.24
  4. Step 4: Simplify right side
    80,859.88x = 5,026,859,989.72
  5. Step 5: Solve for x
    x = 5,026,859,989.72/80,859.88
  6. Step 6: Final answer
    x = 62,167.54

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1.5x scale

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.