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Finding the Fourth Proportional to 221,511.80, 332,318.58 and 63,741.56

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Solution

The fourth proportional to 221,511.80, 332,318.58 and 63,741.56 is: 95,626.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,511.80 : 332,318.58 = 63,741.56 : x
  2. Step 2: Convert to fraction form
    221,511.80/332,318.58 = 63,741.56/x
  3. Step 3: Cross multiply
    221,511.80x = 332,318.58 × 63,741.56
  4. Step 4: Simplify right side
    221,511.80x = 21,182,504,706.18
  5. Step 5: Solve for x
    x = 21,182,504,706.18/221,511.80
  6. Step 6: Final answer
    x = 95,626.98

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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.