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Finding the Fourth Proportional to 221,755.59, 332,628.53 and 95,479.83

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Solution

The fourth proportional to 221,755.59, 332,628.53 and 95,479.83 is: 143,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,755.59 : 332,628.53 = 95,479.83 : x
  2. Step 2: Convert to fraction form
    221,755.59/332,628.53 = 95,479.83/x
  3. Step 3: Cross multiply
    221,755.59x = 332,628.53 × 95,479.83
  4. Step 4: Simplify right side
    221,755.59x = 31,759,315,020.15
  5. Step 5: Solve for x
    x = 31,759,315,020.15/221,755.59
  6. Step 6: Final answer
    x = 143,217.65

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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.