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Finding the Fourth Proportional to 221,825.52, 332,738.28 and 55,613.52

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Solution

The fourth proportional to 221,825.52, 332,738.28 and 55,613.52 is: 83,420.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,825.52 : 332,738.28 = 55,613.52 : x
  2. Step 2: Convert to fraction form
    221,825.52/332,738.28 = 55,613.52/x
  3. Step 3: Cross multiply
    221,825.52x = 332,738.28 × 55,613.52
  4. Step 4: Simplify right side
    221,825.52x = 18,504,746,989.55
  5. Step 5: Solve for x
    x = 18,504,746,989.55/221,825.52
  6. Step 6: Final answer
    x = 83,420.28

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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.