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Finding the Fourth Proportional to 100,658.88, 150,932.43 and 41,534.55

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Solution

The fourth proportional to 100,658.88, 150,932.43 and 41,534.55 is: 62,278.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,658.88 : 150,932.43 = 41,534.55 : x
  2. Step 2: Convert to fraction form
    100,658.88/150,932.43 = 41,534.55/x
  3. Step 3: Cross multiply
    100,658.88x = 150,932.43 × 41,534.55
  4. Step 4: Simplify right side
    100,658.88x = 6,268,910,560.46
  5. Step 5: Solve for x
    x = 6,268,910,560.46/100,658.88
  6. Step 6: Final answer
    x = 62,278.76

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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.