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Finding the Fourth Proportional to 159,042.76, 219,387.49 and 95,343.55

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Solution

The fourth proportional to 159,042.76, 219,387.49 and 95,343.55 is: 131,519.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,042.76 : 219,387.49 = 95,343.55 : x
  2. Step 2: Convert to fraction form
    159,042.76/219,387.49 = 95,343.55/x
  3. Step 3: Cross multiply
    159,042.76x = 219,387.49 × 95,343.55
  4. Step 4: Simplify right side
    159,042.76x = 20,917,182,122.19
  5. Step 5: Solve for x
    x = 20,917,182,122.19/159,042.76
  6. Step 6: Final answer
    x = 131,519.23

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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.