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Finding the Fourth Proportional to 221,590.74, 332,456.02 and 168,536.84

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Solution

The fourth proportional to 221,590.74, 332,456.02 and 168,536.84 is: 252,858.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,590.74 : 332,456.02 = 168,536.84 : x
  2. Step 2: Convert to fraction form
    221,590.74/332,456.02 = 168,536.84/x
  3. Step 3: Cross multiply
    221,590.74x = 332,456.02 × 168,536.84
  4. Step 4: Simplify right side
    221,590.74x = 56,031,087,049.78
  5. Step 5: Solve for x
    x = 56,031,087,049.78/221,590.74
  6. Step 6: Final answer
    x = 252,858.43

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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.