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Finding the Fourth Proportional to 221,407.70, 332,111.55 and 63,626.90

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Solution

The fourth proportional to 221,407.70, 332,111.55 and 63,626.90 is: 95,440.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,407.70 : 332,111.55 = 63,626.90 : x
  2. Step 2: Convert to fraction form
    221,407.70/332,111.55 = 63,626.90/x
  3. Step 3: Cross multiply
    221,407.70x = 332,111.55 × 63,626.90
  4. Step 4: Simplify right side
    221,407.70x = 21,131,228,380.70
  5. Step 5: Solve for x
    x = 21,131,228,380.70/221,407.70
  6. Step 6: Final answer
    x = 95,440.35

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1.5x scale

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.