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Finding the Fourth Proportional to 218,633.62, 327,950.44 and 125,073.76

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Solution

The fourth proportional to 218,633.62, 327,950.44 and 125,073.76 is: 187,610.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,633.62 : 327,950.44 = 125,073.76 : x
  2. Step 2: Convert to fraction form
    218,633.62/327,950.44 = 125,073.76/x
  3. Step 3: Cross multiply
    218,633.62x = 327,950.44 × 125,073.76
  4. Step 4: Simplify right side
    218,633.62x = 41,017,994,624.45
  5. Step 5: Solve for x
    x = 41,017,994,624.45/218,633.62
  6. Step 6: Final answer
    x = 187,610.65

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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.