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Finding the Fourth Proportional to 99,105.70, 148,658.55 and 25,233.70

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Solution

The fourth proportional to 99,105.70, 148,658.55 and 25,233.70 is: 37,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,105.70 : 148,658.55 = 25,233.70 : x
  2. Step 2: Convert to fraction form
    99,105.70/148,658.55 = 25,233.70/x
  3. Step 3: Cross multiply
    99,105.70x = 148,658.55 × 25,233.70
  4. Step 4: Simplify right side
    99,105.70x = 3,751,205,253.14
  5. Step 5: Solve for x
    x = 3,751,205,253.14/99,105.70
  6. Step 6: Final answer
    x = 37,850.55

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Similar ratio
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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.