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Finding the Fourth Proportional to 75,179.65, 112,769.34 and 33,049.66

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Solution

The fourth proportional to 75,179.65, 112,769.34 and 33,049.66 is: 49,574.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,179.65 : 112,769.34 = 33,049.66 : x
  2. Step 2: Convert to fraction form
    75,179.65/112,769.34 = 33,049.66/x
  3. Step 3: Cross multiply
    75,179.65x = 112,769.34 × 33,049.66
  4. Step 4: Simplify right side
    75,179.65x = 3,726,988,345.42
  5. Step 5: Solve for x
    x = 3,726,988,345.42/75,179.65
  6. Step 6: Final answer
    x = 49,574.43

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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.