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Finding the Fourth Proportional to 86,882.52, 119,832.24 and 60,069.88

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Solution

The fourth proportional to 86,882.52, 119,832.24 and 60,069.88 is: 82,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,882.52 : 119,832.24 = 60,069.88 : x
  2. Step 2: Convert to fraction form
    86,882.52/119,832.24 = 60,069.88/x
  3. Step 3: Cross multiply
    86,882.52x = 119,832.24 × 60,069.88
  4. Step 4: Simplify right side
    86,882.52x = 7,198,308,276.93
  5. Step 5: Solve for x
    x = 7,198,308,276.93/86,882.52
  6. Step 6: Final answer
    x = 82,851.05

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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.