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Finding the Fourth Proportional to 87,167.99, 130,822.05 and 45,060.46

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Solution

The fourth proportional to 87,167.99, 130,822.05 and 45,060.46 is: 67,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,167.99 : 130,822.05 = 45,060.46 : x
  2. Step 2: Convert to fraction form
    87,167.99/130,822.05 = 45,060.46/x
  3. Step 3: Cross multiply
    87,167.99x = 130,822.05 × 45,060.46
  4. Step 4: Simplify right side
    87,167.99x = 5,894,901,751.14
  5. Step 5: Solve for x
    x = 5,894,901,751.14/87,167.99
  6. Step 6: Final answer
    x = 67,626.91

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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.