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Finding the Fourth Proportional to 221,859.43, 332,740.19 and 64,053.55

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Solution

The fourth proportional to 221,859.43, 332,740.19 and 64,053.55 is: 96,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,859.43 : 332,740.19 = 64,053.55 : x
  2. Step 2: Convert to fraction form
    221,859.43/332,740.19 = 64,053.55/x
  3. Step 3: Cross multiply
    221,859.43x = 332,740.19 × 64,053.55
  4. Step 4: Simplify right side
    221,859.43x = 21,313,190,076.91
  5. Step 5: Solve for x
    x = 21,313,190,076.91/221,859.43
  6. Step 6: Final answer
    x = 96,066.19

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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.