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Finding the Fourth Proportional to 269,624.81, 372,217.07 and 167,683.11

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Solution

The fourth proportional to 269,624.81, 372,217.07 and 167,683.11 is: 231,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,624.81 : 372,217.07 = 167,683.11 : x
  2. Step 2: Convert to fraction form
    269,624.81/372,217.07 = 167,683.11/x
  3. Step 3: Cross multiply
    269,624.81x = 372,217.07 × 167,683.11
  4. Step 4: Simplify right side
    269,624.81x = 62,414,515,892.69
  5. Step 5: Solve for x
    x = 62,414,515,892.69/269,624.81
  6. Step 6: Final answer
    x = 231,486.55

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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.