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Finding the Fourth Proportional to 242,213.20, 363,397.59 and 73,766.11

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Solution

The fourth proportional to 242,213.20, 363,397.59 and 73,766.11 is: 110,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,213.20 : 363,397.59 = 73,766.11 : x
  2. Step 2: Convert to fraction form
    242,213.20/363,397.59 = 73,766.11/x
  3. Step 3: Cross multiply
    242,213.20x = 363,397.59 × 73,766.11
  4. Step 4: Simplify right side
    242,213.20x = 26,806,426,597.67
  5. Step 5: Solve for x
    x = 26,806,426,597.67/242,213.20
  6. Step 6: Final answer
    x = 110,672.86

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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.