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Finding the Fourth Proportional to 167,761.55, 231,510.93 and 92,310.05

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Solution

The fourth proportional to 167,761.55, 231,510.93 and 92,310.05 is: 127,387.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,761.55 : 231,510.93 = 92,310.05 : x
  2. Step 2: Convert to fraction form
    167,761.55/231,510.93 = 92,310.05/x
  3. Step 3: Cross multiply
    167,761.55x = 231,510.93 × 92,310.05
  4. Step 4: Simplify right side
    167,761.55x = 21,370,784,366.29
  5. Step 5: Solve for x
    x = 21,370,784,366.29/167,761.55
  6. Step 6: Final answer
    x = 127,387.86

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1.5x scale

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.