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Finding the Fourth Proportional to 219,874.20, 329,865.30 and 62,100.60

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Solution

The fourth proportional to 219,874.20, 329,865.30 and 62,100.60 is: 93,166.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,874.20 : 329,865.30 = 62,100.60 : x
  2. Step 2: Convert to fraction form
    219,874.20/329,865.30 = 62,100.60/x
  3. Step 3: Cross multiply
    219,874.20x = 329,865.30 × 62,100.60
  4. Step 4: Simplify right side
    219,874.20x = 20,484,833,049.18
  5. Step 5: Solve for x
    x = 20,484,833,049.18/219,874.20
  6. Step 6: Final answer
    x = 93,166.15

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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.