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Finding the Fourth Proportional to 84,062.43, 126,060.84 and 36,692.01

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Solution

The fourth proportional to 84,062.43, 126,060.84 and 36,692.01 is: 55,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,062.43 : 126,060.84 = 36,692.01 : x
  2. Step 2: Convert to fraction form
    84,062.43/126,060.84 = 36,692.01/x
  3. Step 3: Cross multiply
    84,062.43x = 126,060.84 × 36,692.01
  4. Step 4: Simplify right side
    84,062.43x = 4,625,425,601.89
  5. Step 5: Solve for x
    x = 4,625,425,601.89/84,062.43
  6. Step 6: Final answer
    x = 55,023.70

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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.