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Finding the Fourth Proportional to 167,159.52, 230,680.44 and 91,708.56

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Solution

The fourth proportional to 167,159.52, 230,680.44 and 91,708.56 is: 126,557.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,159.52 : 230,680.44 = 91,708.56 : x
  2. Step 2: Convert to fraction form
    167,159.52/230,680.44 = 91,708.56/x
  3. Step 3: Cross multiply
    167,159.52x = 230,680.44 × 91,708.56
  4. Step 4: Simplify right side
    167,159.52x = 21,155,370,972.57
  5. Step 5: Solve for x
    x = 21,155,370,972.57/167,159.52
  6. Step 6: Final answer
    x = 126,557.98

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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.