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Finding the Fourth Proportional to 166,351.65, 229,565.03 and 94,731.71

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Solution

The fourth proportional to 166,351.65, 229,565.03 and 94,731.71 is: 130,729.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,351.65 : 229,565.03 = 94,731.71 : x
  2. Step 2: Convert to fraction form
    166,351.65/229,565.03 = 94,731.71/x
  3. Step 3: Cross multiply
    166,351.65x = 229,565.03 × 94,731.71
  4. Step 4: Simplify right side
    166,351.65x = 21,747,086,226.62
  5. Step 5: Solve for x
    x = 21,747,086,226.62/166,351.65
  6. Step 6: Final answer
    x = 130,729.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.