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Finding the Fourth Proportional to 168,308.82, 232,264.87 and 91,826.80

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Solution

The fourth proportional to 168,308.82, 232,264.87 and 91,826.80 is: 126,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,308.82 : 232,264.87 = 91,826.80 : x
  2. Step 2: Convert to fraction form
    168,308.82/232,264.87 = 91,826.80/x
  3. Step 3: Cross multiply
    168,308.82x = 232,264.87 × 91,826.80
  4. Step 4: Simplify right side
    168,308.82x = 21,328,138,954.29
  5. Step 5: Solve for x
    x = 21,328,138,954.29/168,308.82
  6. Step 6: Final answer
    x = 126,720.27

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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.