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Finding the Fourth Proportional to 167,139.44, 250,473.45 and 92,293.28

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Solution

The fourth proportional to 167,139.44, 250,473.45 and 92,293.28 is: 138,309.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,139.44 : 250,473.45 = 92,293.28 : x
  2. Step 2: Convert to fraction form
    167,139.44/250,473.45 = 92,293.28/x
  3. Step 3: Cross multiply
    167,139.44x = 250,473.45 × 92,293.28
  4. Step 4: Simplify right side
    167,139.44x = 23,117,016,253.42
  5. Step 5: Solve for x
    x = 23,117,016,253.42/167,139.44
  6. Step 6: Final answer
    x = 138,309.76

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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.