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Finding the Fourth Proportional to 221,680.36, 332,520.54 and 55,468.36

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Solution

The fourth proportional to 221,680.36, 332,520.54 and 55,468.36 is: 83,202.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,680.36 : 332,520.54 = 55,468.36 : x
  2. Step 2: Convert to fraction form
    221,680.36/332,520.54 = 55,468.36/x
  3. Step 3: Cross multiply
    221,680.36x = 332,520.54 × 55,468.36
  4. Step 4: Simplify right side
    221,680.36x = 18,444,369,020.11
  5. Step 5: Solve for x
    x = 18,444,369,020.11/221,680.36
  6. Step 6: Final answer
    x = 83,202.54

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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.