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Finding the Fourth Proportional to 72,522.75, 100,184.18 and 69,023.55

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Solution

The fourth proportional to 72,522.75, 100,184.18 and 69,023.55 is: 95,350.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,522.75 : 100,184.18 = 69,023.55 : x
  2. Step 2: Convert to fraction form
    72,522.75/100,184.18 = 69,023.55/x
  3. Step 3: Cross multiply
    72,522.75x = 100,184.18 × 69,023.55
  4. Step 4: Simplify right side
    72,522.75x = 6,915,067,757.44
  5. Step 5: Solve for x
    x = 6,915,067,757.44/72,522.75
  6. Step 6: Final answer
    x = 95,350.32

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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.