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Finding the Fourth Proportional to 220,204, 330,322.47 and 62,445.16

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Solution

The fourth proportional to 220,204, 330,322.47 and 62,445.16 is: 93,672.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,204 : 330,322.47 = 62,445.16 : x
  2. Step 2: Convert to fraction form
    220,204/330,322.47 = 62,445.16/x
  3. Step 3: Cross multiply
    220,204x = 330,322.47 × 62,445.16
  4. Step 4: Simplify right side
    220,204x = 20,627,039,490.75
  5. Step 5: Solve for x
    x = 20,627,039,490.75/220,204
  6. Step 6: Final answer
    x = 93,672.41

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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.