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Finding the Fourth Proportional to 220,201.67, 330,302.54 and 62,431.49

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Solution

The fourth proportional to 220,201.67, 330,302.54 and 62,431.49 is: 93,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,201.67 : 330,302.54 = 62,431.49 : x
  2. Step 2: Convert to fraction form
    220,201.67/330,302.54 = 62,431.49/x
  3. Step 3: Cross multiply
    220,201.67x = 330,302.54 × 62,431.49
  4. Step 4: Simplify right side
    220,201.67x = 20,621,279,722.98
  5. Step 5: Solve for x
    x = 20,621,279,722.98/220,201.67
  6. Step 6: Final answer
    x = 93,647.24

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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.