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Finding the Fourth Proportional to 87,874.66, 131,801.06 and 35,266.38

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Solution

The fourth proportional to 87,874.66, 131,801.06 and 35,266.38 is: 52,895.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,874.66 : 131,801.06 = 35,266.38 : x
  2. Step 2: Convert to fraction form
    87,874.66/131,801.06 = 35,266.38/x
  3. Step 3: Cross multiply
    87,874.66x = 131,801.06 × 35,266.38
  4. Step 4: Simplify right side
    87,874.66x = 4,648,145,431.03
  5. Step 5: Solve for x
    x = 4,648,145,431.03/87,874.66
  6. Step 6: Final answer
    x = 52,895.17

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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.