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Finding the Fourth Proportional to 221,920.74, 332,883.55 and 64,150.56

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Solution

The fourth proportional to 221,920.74, 332,883.55 and 64,150.56 is: 96,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,920.74 : 332,883.55 = 64,150.56 : x
  2. Step 2: Convert to fraction form
    221,920.74/332,883.55 = 64,150.56/x
  3. Step 3: Cross multiply
    221,920.74x = 332,883.55 × 64,150.56
  4. Step 4: Simplify right side
    221,920.74x = 21,354,666,147.29
  5. Step 5: Solve for x
    x = 21,354,666,147.29/221,920.74
  6. Step 6: Final answer
    x = 96,226.55

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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.