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Finding the Fourth Proportional to 221,410.20, 332,115.30 and 177,123.45

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Solution

The fourth proportional to 221,410.20, 332,115.30 and 177,123.45 is: 265,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,410.20 : 332,115.30 = 177,123.45 : x
  2. Step 2: Convert to fraction form
    221,410.20/332,115.30 = 177,123.45/x
  3. Step 3: Cross multiply
    221,410.20x = 332,115.30 × 177,123.45
  4. Step 4: Simplify right side
    221,410.20x = 58,825,407,733.79
  5. Step 5: Solve for x
    x = 58,825,407,733.79/221,410.20
  6. Step 6: Final answer
    x = 265,685.18

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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.