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Finding the Fourth Proportional to 123,722.57, 185,602.01 and 44,818.31

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Solution

The fourth proportional to 123,722.57, 185,602.01 and 44,818.31 is: 67,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,722.57 : 185,602.01 = 44,818.31 : x
  2. Step 2: Convert to fraction form
    123,722.57/185,602.01 = 44,818.31/x
  3. Step 3: Cross multiply
    123,722.57x = 185,602.01 × 44,818.31
  4. Step 4: Simplify right side
    123,722.57x = 8,318,367,268.70
  5. Step 5: Solve for x
    x = 8,318,367,268.70/123,722.57
  6. Step 6: Final answer
    x = 67,234.04

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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.