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Finding the Fourth Proportional to 75,180.65, 112,770.84 and 33,050.66

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Solution

The fourth proportional to 75,180.65, 112,770.84 and 33,050.66 is: 49,575.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,180.65 : 112,770.84 = 33,050.66 : x
  2. Step 2: Convert to fraction form
    75,180.65/112,770.84 = 33,050.66/x
  3. Step 3: Cross multiply
    75,180.65x = 112,770.84 × 33,050.66
  4. Step 4: Simplify right side
    75,180.65x = 3,727,150,690.75
  5. Step 5: Solve for x
    x = 3,727,150,690.75/75,180.65
  6. Step 6: Final answer
    x = 49,575.93

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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.