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Finding the Fourth Proportional to 221,521.92, 332,421.44 and 88,382.24

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Solution

The fourth proportional to 221,521.92, 332,421.44 and 88,382.24 is: 132,628.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,521.92 : 332,421.44 = 88,382.24 : x
  2. Step 2: Convert to fraction form
    221,521.92/332,421.44 = 88,382.24/x
  3. Step 3: Cross multiply
    221,521.92x = 332,421.44 × 88,382.24
  4. Step 4: Simplify right side
    221,521.92x = 29,380,151,491.23
  5. Step 5: Solve for x
    x = 29,380,151,491.23/221,521.92
  6. Step 6: Final answer
    x = 132,628.64

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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.