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Finding the Fourth Proportional to 167,371.89, 230,871.78 and 99,344.04

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Solution

The fourth proportional to 167,371.89, 230,871.78 and 99,344.04 is: 137,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,371.89 : 230,871.78 = 99,344.04 : x
  2. Step 2: Convert to fraction form
    167,371.89/230,871.78 = 99,344.04/x
  3. Step 3: Cross multiply
    167,371.89x = 230,871.78 × 99,344.04
  4. Step 4: Simplify right side
    167,371.89x = 22,935,735,347.19
  5. Step 5: Solve for x
    x = 22,935,735,347.19/167,371.89
  6. Step 6: Final answer
    x = 137,034.57

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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.