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Finding the Fourth Proportional to 221,495.80, 332,010.38 and 110,454.52

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Solution

The fourth proportional to 221,495.80, 332,010.38 and 110,454.52 is: 165,565.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,495.80 : 332,010.38 = 110,454.52 : x
  2. Step 2: Convert to fraction form
    221,495.80/332,010.38 = 110,454.52/x
  3. Step 3: Cross multiply
    221,495.80x = 332,010.38 × 110,454.52
  4. Step 4: Simplify right side
    221,495.80x = 36,672,047,157.92
  5. Step 5: Solve for x
    x = 36,672,047,157.92/221,495.80
  6. Step 6: Final answer
    x = 165,565.43

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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.