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Finding the Fourth Proportional to 167,139.94, 250,474.20 and 92,293.78

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Solution

The fourth proportional to 167,139.94, 250,474.20 and 92,293.78 is: 138,310.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,139.94 : 250,474.20 = 92,293.78 : x
  2. Step 2: Convert to fraction form
    167,139.94/250,474.20 = 92,293.78/x
  3. Step 3: Cross multiply
    167,139.94x = 250,474.20 × 92,293.78
  4. Step 4: Simplify right side
    167,139.94x = 23,117,210,710.48
  5. Step 5: Solve for x
    x = 23,117,210,710.48/167,139.94
  6. Step 6: Final answer
    x = 138,310.51

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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.