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Finding the Fourth Proportional to 87,079.99, 130,493.91 and 60,034.57

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Solution

The fourth proportional to 87,079.99, 130,493.91 and 60,034.57 is: 89,964.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,079.99 : 130,493.91 = 60,034.57 : x
  2. Step 2: Convert to fraction form
    87,079.99/130,493.91 = 60,034.57/x
  3. Step 3: Cross multiply
    87,079.99x = 130,493.91 × 60,034.57
  4. Step 4: Simplify right side
    87,079.99x = 7,834,145,504.52
  5. Step 5: Solve for x
    x = 7,834,145,504.52/87,079.99
  6. Step 6: Final answer
    x = 89,964.94

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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.