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Finding the Fourth Proportional to 123,818.60, 185,706.30 and 44,892.20

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Solution

The fourth proportional to 123,818.60, 185,706.30 and 44,892.20 is: 67,330.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,818.60 : 185,706.30 = 44,892.20 : x
  2. Step 2: Convert to fraction form
    123,818.60/185,706.30 = 44,892.20/x
  3. Step 3: Cross multiply
    123,818.60x = 185,706.30 × 44,892.20
  4. Step 4: Simplify right side
    123,818.60x = 8,336,764,360.86
  5. Step 5: Solve for x
    x = 8,336,764,360.86/123,818.60
  6. Step 6: Final answer
    x = 67,330.47

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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.