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Finding the Fourth Proportional to 221,883.57, 332,908.47 and 115,200.93

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Solution

The fourth proportional to 221,883.57, 332,908.47 and 115,200.93 is: 172,844.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,883.57 : 332,908.47 = 115,200.93 : x
  2. Step 2: Convert to fraction form
    221,883.57/332,908.47 = 115,200.93/x
  3. Step 3: Cross multiply
    221,883.57x = 332,908.47 × 115,200.93
  4. Step 4: Simplify right side
    221,883.57x = 38,351,365,348.88
  5. Step 5: Solve for x
    x = 38,351,365,348.88/221,883.57
  6. Step 6: Final answer
    x = 172,844.55

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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.