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Finding the Fourth Proportional to 220,459.91, 330,654.46 and 60,498.48

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Solution

The fourth proportional to 220,459.91, 330,654.46 and 60,498.48 is: 90,738.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,459.91 : 330,654.46 = 60,498.48 : x
  2. Step 2: Convert to fraction form
    220,459.91/330,654.46 = 60,498.48/x
  3. Step 3: Cross multiply
    220,459.91x = 330,654.46 × 60,498.48
  4. Step 4: Simplify right side
    220,459.91x = 20,004,093,550.80
  5. Step 5: Solve for x
    x = 20,004,093,550.80/220,459.91
  6. Step 6: Final answer
    x = 90,738.01

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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.