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Finding the Fourth Proportional to 221,856.42, 332,544.66 and 88,590.15

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Solution

The fourth proportional to 221,856.42, 332,544.66 and 88,590.15 is: 132,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,856.42 : 332,544.66 = 88,590.15 : x
  2. Step 2: Convert to fraction form
    221,856.42/332,544.66 = 88,590.15/x
  3. Step 3: Cross multiply
    221,856.42x = 332,544.66 × 88,590.15
  4. Step 4: Simplify right side
    221,856.42x = 29,460,181,311.10
  5. Step 5: Solve for x
    x = 29,460,181,311.10/221,856.42
  6. Step 6: Final answer
    x = 132,789.40

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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.