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Finding the Fourth Proportional to 171,044.30, 256,566.45 and 115,057.10

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Solution

The fourth proportional to 171,044.30, 256,566.45 and 115,057.10 is: 172,585.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,044.30 : 256,566.45 = 115,057.10 : x
  2. Step 2: Convert to fraction form
    171,044.30/256,566.45 = 115,057.10/x
  3. Step 3: Cross multiply
    171,044.30x = 256,566.45 × 115,057.10
  4. Step 4: Simplify right side
    171,044.30x = 29,519,791,694.30
  5. Step 5: Solve for x
    x = 29,519,791,694.30/171,044.30
  6. Step 6: Final answer
    x = 172,585.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.