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Finding the Fourth Proportional to 168,006.71, 231,849.19 and 92,555.21

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Solution

The fourth proportional to 168,006.71, 231,849.19 and 92,555.21 is: 127,726.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,006.71 : 231,849.19 = 92,555.21 : x
  2. Step 2: Convert to fraction form
    168,006.71/231,849.19 = 92,555.21/x
  3. Step 3: Cross multiply
    168,006.71x = 231,849.19 × 92,555.21
  4. Step 4: Simplify right side
    168,006.71x = 21,458,850,817.01
  5. Step 5: Solve for x
    x = 21,458,850,817.01/168,006.71
  6. Step 6: Final answer
    x = 127,726.15

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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.