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Finding the Fourth Proportional to 167,215.68, 250,831.90 and 54,850.44

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Solution

The fourth proportional to 167,215.68, 250,831.90 and 54,850.44 is: 82,278.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,215.68 : 250,831.90 = 54,850.44 : x
  2. Step 2: Convert to fraction form
    167,215.68/250,831.90 = 54,850.44/x
  3. Step 3: Cross multiply
    167,215.68x = 250,831.90 × 54,850.44
  4. Step 4: Simplify right side
    167,215.68x = 13,758,240,081.04
  5. Step 5: Solve for x
    x = 13,758,240,081.04/167,215.68
  6. Step 6: Final answer
    x = 82,278.41

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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.