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Finding the Fourth Proportional to 167,123.43, 250,844.34 and 103,751.79

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Solution

The fourth proportional to 167,123.43, 250,844.34 and 103,751.79 is: 155,726.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,123.43 : 250,844.34 = 103,751.79 : x
  2. Step 2: Convert to fraction form
    167,123.43/250,844.34 = 103,751.79/x
  3. Step 3: Cross multiply
    167,123.43x = 250,844.34 × 103,751.79
  4. Step 4: Simplify right side
    167,123.43x = 26,025,549,286.37
  5. Step 5: Solve for x
    x = 26,025,549,286.37/167,123.43
  6. Step 6: Final answer
    x = 155,726.51

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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.