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Finding the Fourth Proportional to 220,469.51, 330,668.83 and 60,508.08

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Solution

The fourth proportional to 220,469.51, 330,668.83 and 60,508.08 is: 90,752.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,469.51 : 330,668.83 = 60,508.08 : x
  2. Step 2: Convert to fraction form
    220,469.51/330,668.83 = 60,508.08/x
  3. Step 3: Cross multiply
    220,469.51x = 330,668.83 × 60,508.08
  4. Step 4: Simplify right side
    220,469.51x = 20,008,136,019.15
  5. Step 5: Solve for x
    x = 20,008,136,019.15/220,469.51
  6. Step 6: Final answer
    x = 90,752.39

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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.