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Finding the Fourth Proportional to 69,159.78, 95,239.67 and 60,081.03

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Solution

The fourth proportional to 69,159.78, 95,239.67 and 60,081.03 is: 82,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,159.78 : 95,239.67 = 60,081.03 : x
  2. Step 2: Convert to fraction form
    69,159.78/95,239.67 = 60,081.03/x
  3. Step 3: Cross multiply
    69,159.78x = 95,239.67 × 60,081.03
  4. Step 4: Simplify right side
    69,159.78x = 5,722,097,170.05
  5. Step 5: Solve for x
    x = 5,722,097,170.05/69,159.78
  6. Step 6: Final answer
    x = 82,737.35

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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.