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Finding the Fourth Proportional to 168,386.42, 232,372.12 and 92,934.92

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Solution

The fourth proportional to 168,386.42, 232,372.12 and 92,934.92 is: 128,249.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,386.42 : 232,372.12 = 92,934.92 : x
  2. Step 2: Convert to fraction form
    168,386.42/232,372.12 = 92,934.92/x
  3. Step 3: Cross multiply
    168,386.42x = 232,372.12 × 92,934.92
  4. Step 4: Simplify right side
    168,386.42x = 21,595,484,382.43
  5. Step 5: Solve for x
    x = 21,595,484,382.43/168,386.42
  6. Step 6: Final answer
    x = 128,249.56

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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.