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Finding the Fourth Proportional to 87,159.98, 130,616.38 and 36,504.44

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Solution

The fourth proportional to 87,159.98, 130,616.38 and 36,504.44 is: 54,704.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,159.98 : 130,616.38 = 36,504.44 : x
  2. Step 2: Convert to fraction form
    87,159.98/130,616.38 = 36,504.44/x
  3. Step 3: Cross multiply
    87,159.98x = 130,616.38 × 36,504.44
  4. Step 4: Simplify right side
    87,159.98x = 4,768,077,689.09
  5. Step 5: Solve for x
    x = 4,768,077,689.09/87,159.98
  6. Step 6: Final answer
    x = 54,704.89

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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.