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Finding the Fourth Proportional to 243,722.32, 365,591.07 and 66,233.09

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Solution

The fourth proportional to 243,722.32, 365,591.07 and 66,233.09 is: 99,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,722.32 : 365,591.07 = 66,233.09 : x
  2. Step 2: Convert to fraction form
    243,722.32/365,591.07 = 66,233.09/x
  3. Step 3: Cross multiply
    243,722.32x = 365,591.07 × 66,233.09
  4. Step 4: Simplify right side
    243,722.32x = 24,214,227,156.48
  5. Step 5: Solve for x
    x = 24,214,227,156.48/243,722.32
  6. Step 6: Final answer
    x = 99,351.70

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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.