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Finding the Fourth Proportional to 220,550.70, 330,888.93 and 108,264.66

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Solution

The fourth proportional to 220,550.70, 330,888.93 and 108,264.66 is: 162,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,550.70 : 330,888.93 = 108,264.66 : x
  2. Step 2: Convert to fraction form
    220,550.70/330,888.93 = 108,264.66/x
  3. Step 3: Cross multiply
    220,550.70x = 330,888.93 × 108,264.66
  4. Step 4: Simplify right side
    220,550.70x = 35,823,577,504.21
  5. Step 5: Solve for x
    x = 35,823,577,504.21/220,550.70
  6. Step 6: Final answer
    x = 162,427.86

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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.