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Finding the Fourth Proportional to 221,645.25, 332,514.62 and 71,873.90

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Solution

The fourth proportional to 221,645.25, 332,514.62 and 71,873.90 is: 107,826.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,645.25 : 332,514.62 = 71,873.90 : x
  2. Step 2: Convert to fraction form
    221,645.25/332,514.62 = 71,873.90/x
  3. Step 3: Cross multiply
    221,645.25x = 332,514.62 × 71,873.90
  4. Step 4: Simplify right side
    221,645.25x = 23,899,121,484.06
  5. Step 5: Solve for x
    x = 23,899,121,484.06/221,645.25
  6. Step 6: Final answer
    x = 107,826.00

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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.