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Finding the Fourth Proportional to 75,110.67, 112,724.72 and 33,019.83

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Solution

The fourth proportional to 75,110.67, 112,724.72 and 33,019.83 is: 49,555.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,110.67 : 112,724.72 = 33,019.83 : x
  2. Step 2: Convert to fraction form
    75,110.67/112,724.72 = 33,019.83/x
  3. Step 3: Cross multiply
    75,110.67x = 112,724.72 × 33,019.83
  4. Step 4: Simplify right side
    75,110.67x = 3,722,151,091.20
  5. Step 5: Solve for x
    x = 3,722,151,091.20/75,110.67
  6. Step 6: Final answer
    x = 49,555.56

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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.