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Finding the Fourth Proportional to 99,571.89, 149,357.84 and 29,445.74

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Solution

The fourth proportional to 99,571.89, 149,357.84 and 29,445.74 is: 44,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,571.89 : 149,357.84 = 29,445.74 : x
  2. Step 2: Convert to fraction form
    99,571.89/149,357.84 = 29,445.74/x
  3. Step 3: Cross multiply
    99,571.89x = 149,357.84 × 29,445.74
  4. Step 4: Simplify right side
    99,571.89x = 4,397,951,229.58
  5. Step 5: Solve for x
    x = 4,397,951,229.58/99,571.89
  6. Step 6: Final answer
    x = 44,168.60

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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.