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Finding the Fourth Proportional to 168,400.80, 232,392.96 and 92,949.12

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Solution

The fourth proportional to 168,400.80, 232,392.96 and 92,949.12 is: 128,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,400.80 : 232,392.96 = 92,949.12 : x
  2. Step 2: Convert to fraction form
    168,400.80/232,392.96 = 92,949.12/x
  3. Step 3: Cross multiply
    168,400.80x = 232,392.96 × 92,949.12
  4. Step 4: Simplify right side
    168,400.80x = 21,600,721,126.20
  5. Step 5: Solve for x
    x = 21,600,721,126.20/168,400.80
  6. Step 6: Final answer
    x = 128,269.71

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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.