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Finding the Fourth Proportional to 87,597, 120,884.04 and 49,871.25

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Solution

The fourth proportional to 87,597, 120,884.04 and 49,871.25 is: 68,822.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,597 : 120,884.04 = 49,871.25 : x
  2. Step 2: Convert to fraction form
    87,597/120,884.04 = 49,871.25/x
  3. Step 3: Cross multiply
    87,597x = 120,884.04 × 49,871.25
  4. Step 4: Simplify right side
    87,597x = 6,028,638,179.85
  5. Step 5: Solve for x
    x = 6,028,638,179.85/87,597
  6. Step 6: Final answer
    x = 68,822.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.