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Finding the Fourth Proportional to 221,540.30, 332,310.45 and 73,796.30

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Solution

The fourth proportional to 221,540.30, 332,310.45 and 73,796.30 is: 110,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,540.30 : 332,310.45 = 73,796.30 : x
  2. Step 2: Convert to fraction form
    221,540.30/332,310.45 = 73,796.30/x
  3. Step 3: Cross multiply
    221,540.30x = 332,310.45 × 73,796.30
  4. Step 4: Simplify right side
    221,540.30x = 24,523,281,661.34
  5. Step 5: Solve for x
    x = 24,523,281,661.34/221,540.30
  6. Step 6: Final answer
    x = 110,694.45

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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.