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Finding the Fourth Proportional to 168,385.92, 232,371.42 and 92,934.42

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Solution

The fourth proportional to 168,385.92, 232,371.42 and 92,934.42 is: 128,248.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,385.92 : 232,371.42 = 92,934.42 : x
  2. Step 2: Convert to fraction form
    168,385.92/232,371.42 = 92,934.42/x
  3. Step 3: Cross multiply
    168,385.92x = 232,371.42 × 92,934.42
  4. Step 4: Simplify right side
    168,385.92x = 21,595,303,142.28
  5. Step 5: Solve for x
    x = 21,595,303,142.28/168,385.92
  6. Step 6: Final answer
    x = 128,248.87

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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.