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Finding the Fourth Proportional to 119,996.91, 179,934.86 and 40,006.49

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Solution

The fourth proportional to 119,996.91, 179,934.86 and 40,006.49 is: 59,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,996.91 : 179,934.86 = 40,006.49 : x
  2. Step 2: Convert to fraction form
    119,996.91/179,934.86 = 40,006.49/x
  3. Step 3: Cross multiply
    119,996.91x = 179,934.86 × 40,006.49
  4. Step 4: Simplify right side
    119,996.91x = 7,198,561,377.58
  5. Step 5: Solve for x
    x = 7,198,561,377.58/119,996.91
  6. Step 6: Final answer
    x = 59,989.56

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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.