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Finding the Fourth Proportional to 99,757.92, 149,507.52 and 40,524.80

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Solution

The fourth proportional to 99,757.92, 149,507.52 and 40,524.80 is: 60,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,757.92 : 149,507.52 = 40,524.80 : x
  2. Step 2: Convert to fraction form
    99,757.92/149,507.52 = 40,524.80/x
  3. Step 3: Cross multiply
    99,757.92x = 149,507.52 × 40,524.80
  4. Step 4: Simplify right side
    99,757.92x = 6,058,762,346.50
  5. Step 5: Solve for x
    x = 6,058,762,346.50/99,757.92
  6. Step 6: Final answer
    x = 60,734.65

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1.5x scale

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.