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Finding the Fourth Proportional to 87,373.87, 130,850.60 and 49,820.09

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Solution

The fourth proportional to 87,373.87, 130,850.60 and 49,820.09 is: 74,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,373.87 : 130,850.60 = 49,820.09 : x
  2. Step 2: Convert to fraction form
    87,373.87/130,850.60 = 49,820.09/x
  3. Step 3: Cross multiply
    87,373.87x = 130,850.60 × 49,820.09
  4. Step 4: Simplify right side
    87,373.87x = 6,518,988,092.33
  5. Step 5: Solve for x
    x = 6,518,988,092.33/87,373.87
  6. Step 6: Final answer
    x = 74,610.27

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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.