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Finding the Fourth Proportional to 221,467.67, 332,254.42 and 71,708.12

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Solution

The fourth proportional to 221,467.67, 332,254.42 and 71,708.12 is: 107,579.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,467.67 : 332,254.42 = 71,708.12 : x
  2. Step 2: Convert to fraction form
    221,467.67/332,254.42 = 71,708.12/x
  3. Step 3: Cross multiply
    221,467.67x = 332,254.42 × 71,708.12
  4. Step 4: Simplify right side
    221,467.67x = 23,825,340,740.16
  5. Step 5: Solve for x
    x = 23,825,340,740.16/221,467.67
  6. Step 6: Final answer
    x = 107,579.32

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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.