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Finding the Fourth Proportional to 87,474.96, 120,773.55 and 67,296.24

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Solution

The fourth proportional to 87,474.96, 120,773.55 and 67,296.24 is: 92,913.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,474.96 : 120,773.55 = 67,296.24 : x
  2. Step 2: Convert to fraction form
    87,474.96/120,773.55 = 67,296.24/x
  3. Step 3: Cross multiply
    87,474.96x = 120,773.55 × 67,296.24
  4. Step 4: Simplify right side
    87,474.96x = 8,127,605,806.45
  5. Step 5: Solve for x
    x = 8,127,605,806.45/87,474.96
  6. Step 6: Final answer
    x = 92,913.51

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1.5x scale

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.