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Finding the Fourth Proportional to 166,105.70, 248,861.55 and 101,071.70

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Solution

The fourth proportional to 166,105.70, 248,861.55 and 101,071.70 is: 151,426.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,105.70 : 248,861.55 = 101,071.70 : x
  2. Step 2: Convert to fraction form
    166,105.70/248,861.55 = 101,071.70/x
  3. Step 3: Cross multiply
    166,105.70x = 248,861.55 × 101,071.70
  4. Step 4: Simplify right side
    166,105.70x = 25,152,859,923.14
  5. Step 5: Solve for x
    x = 25,152,859,923.14/166,105.70
  6. Step 6: Final answer
    x = 151,426.83

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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.