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Finding the Fourth Proportional to 80,233.68, 110,687.62 and 48,384.88

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Solution

The fourth proportional to 80,233.68, 110,687.62 and 48,384.88 is: 66,750.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,233.68 : 110,687.62 = 48,384.88 : x
  2. Step 2: Convert to fraction form
    80,233.68/110,687.62 = 48,384.88/x
  3. Step 3: Cross multiply
    80,233.68x = 110,687.62 × 48,384.88
  4. Step 4: Simplify right side
    80,233.68x = 5,355,607,211.19
  5. Step 5: Solve for x
    x = 5,355,607,211.19/80,233.68
  6. Step 6: Final answer
    x = 66,750.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.