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Finding the Fourth Proportional to 87,116.88, 130,676.04 and 27,952.64

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Solution

The fourth proportional to 87,116.88, 130,676.04 and 27,952.64 is: 41,929.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,116.88 : 130,676.04 = 27,952.64 : x
  2. Step 2: Convert to fraction form
    87,116.88/130,676.04 = 27,952.64/x
  3. Step 3: Cross multiply
    87,116.88x = 130,676.04 × 27,952.64
  4. Step 4: Simplify right side
    87,116.88x = 3,652,740,302.75
  5. Step 5: Solve for x
    x = 3,652,740,302.75/87,116.88
  6. Step 6: Final answer
    x = 41,929.19

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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.