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Finding the Fourth Proportional to 168,065.88, 231,930.91 and 92,614.38

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Solution

The fourth proportional to 168,065.88, 231,930.91 and 92,614.38 is: 127,807.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,065.88 : 231,930.91 = 92,614.38 : x
  2. Step 2: Convert to fraction form
    168,065.88/231,930.91 = 92,614.38/x
  3. Step 3: Cross multiply
    168,065.88x = 231,930.91 × 92,614.38
  4. Step 4: Simplify right side
    168,065.88x = 21,480,137,432.49
  5. Step 5: Solve for x
    x = 21,480,137,432.49/168,065.88
  6. Step 6: Final answer
    x = 127,807.84

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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.