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Finding the Fourth Proportional to 168,179.64, 232,086.96 and 92,728.20

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Solution

The fourth proportional to 168,179.64, 232,086.96 and 92,728.20 is: 127,964.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,179.64 : 232,086.96 = 92,728.20 : x
  2. Step 2: Convert to fraction form
    168,179.64/232,086.96 = 92,728.20/x
  3. Step 3: Cross multiply
    168,179.64x = 232,086.96 × 92,728.20
  4. Step 4: Simplify right side
    168,179.64x = 21,521,006,044.27
  5. Step 5: Solve for x
    x = 21,521,006,044.27/168,179.64
  6. Step 6: Final answer
    x = 127,964.40

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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.