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Finding the Fourth Proportional to 167,725, 231,460.50 and 92,271.88

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Solution

The fourth proportional to 167,725, 231,460.50 and 92,271.88 is: 127,335.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,725 : 231,460.50 = 92,271.88 : x
  2. Step 2: Convert to fraction form
    167,725/231,460.50 = 92,271.88/x
  3. Step 3: Cross multiply
    167,725x = 231,460.50 × 92,271.88
  4. Step 4: Simplify right side
    167,725x = 21,357,295,480.74
  5. Step 5: Solve for x
    x = 21,357,295,480.74/167,725
  6. Step 6: Final answer
    x = 127,335.19

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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.