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Finding the Fourth Proportional to 221,751.35, 332,627.03 and 109,448.90

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Solution

The fourth proportional to 221,751.35, 332,627.03 and 109,448.90 is: 164,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,751.35 : 332,627.03 = 109,448.90 : x
  2. Step 2: Convert to fraction form
    221,751.35/332,627.03 = 109,448.90/x
  3. Step 3: Cross multiply
    221,751.35x = 332,627.03 × 109,448.90
  4. Step 4: Simplify right side
    221,751.35x = 36,405,661,996.52
  5. Step 5: Solve for x
    x = 36,405,661,996.52/221,751.35
  6. Step 6: Final answer
    x = 164,173.35

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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.