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Finding the Fourth Proportional to 150,543.80, 225,815.70 and 61,860.95

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Solution

The fourth proportional to 150,543.80, 225,815.70 and 61,860.95 is: 92,791.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,543.80 : 225,815.70 = 61,860.95 : x
  2. Step 2: Convert to fraction form
    150,543.80/225,815.70 = 61,860.95/x
  3. Step 3: Cross multiply
    150,543.80x = 225,815.70 × 61,860.95
  4. Step 4: Simplify right side
    150,543.80x = 13,969,173,726.92
  5. Step 5: Solve for x
    x = 13,969,173,726.92/150,543.80
  6. Step 6: Final answer
    x = 92,791.43

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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.