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Finding the Fourth Proportional to 99,697.92, 149,521.50 and 29,560.92

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Solution

The fourth proportional to 99,697.92, 149,521.50 and 29,560.92 is: 44,333.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,697.92 : 149,521.50 = 29,560.92 : x
  2. Step 2: Convert to fraction form
    99,697.92/149,521.50 = 29,560.92/x
  3. Step 3: Cross multiply
    99,697.92x = 149,521.50 × 29,560.92
  4. Step 4: Simplify right side
    99,697.92x = 4,419,993,099.78
  5. Step 5: Solve for x
    x = 4,419,993,099.78/99,697.92
  6. Step 6: Final answer
    x = 44,333.85

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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.