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Finding the Fourth Proportional to 221,957.98, 332,946.69 and 64,202.38

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Solution

The fourth proportional to 221,957.98, 332,946.69 and 64,202.38 is: 96,306.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,957.98 : 332,946.69 = 64,202.38 : x
  2. Step 2: Convert to fraction form
    221,957.98/332,946.69 = 64,202.38/x
  3. Step 3: Cross multiply
    221,957.98x = 332,946.69 × 64,202.38
  4. Step 4: Simplify right side
    221,957.98x = 21,375,969,911.12
  5. Step 5: Solve for x
    x = 21,375,969,911.12/221,957.98
  6. Step 6: Final answer
    x = 96,306.38

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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.