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Finding the Fourth Proportional to 220,207.95, 330,324.48 and 62,424

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Solution

The fourth proportional to 220,207.95, 330,324.48 and 62,424 is: 93,639.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,207.95 : 330,324.48 = 62,424 : x
  2. Step 2: Convert to fraction form
    220,207.95/330,324.48 = 62,424/x
  3. Step 3: Cross multiply
    220,207.95x = 330,324.48 × 62,424
  4. Step 4: Simplify right side
    220,207.95x = 20,620,175,339.52
  5. Step 5: Solve for x
    x = 20,620,175,339.52/220,207.95
  6. Step 6: Final answer
    x = 93,639.56

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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.