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Finding the Fourth Proportional to 221,393.60, 332,089.28 and 132,673.60

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Solution

The fourth proportional to 221,393.60, 332,089.28 and 132,673.60 is: 199,009.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,393.60 : 332,089.28 = 132,673.60 : x
  2. Step 2: Convert to fraction form
    221,393.60/332,089.28 = 132,673.60/x
  3. Step 3: Cross multiply
    221,393.60x = 332,089.28 × 132,673.60
  4. Step 4: Simplify right side
    221,393.60x = 44,059,480,299.01
  5. Step 5: Solve for x
    x = 44,059,480,299.01/221,393.60
  6. Step 6: Final answer
    x = 199,009.73

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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.