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Finding the Fourth Proportional to 221,701.26, 332,601.10 and 63,917.40

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Solution

The fourth proportional to 221,701.26, 332,601.10 and 63,917.40 is: 95,890.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,701.26 : 332,601.10 = 63,917.40 : x
  2. Step 2: Convert to fraction form
    221,701.26/332,601.10 = 63,917.40/x
  3. Step 3: Cross multiply
    221,701.26x = 332,601.10 × 63,917.40
  4. Step 4: Simplify right side
    221,701.26x = 21,258,997,549.14
  5. Step 5: Solve for x
    x = 21,258,997,549.14/221,701.26
  6. Step 6: Final answer
    x = 95,890.29

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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.