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Finding the Fourth Proportional to 219,777.20, 329,719.80 and 62,003.60

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Solution

The fourth proportional to 219,777.20, 329,719.80 and 62,003.60 is: 93,020.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,777.20 : 329,719.80 = 62,003.60 : x
  2. Step 2: Convert to fraction form
    219,777.20/329,719.80 = 62,003.60/x
  3. Step 3: Cross multiply
    219,777.20x = 329,719.80 × 62,003.60
  4. Step 4: Simplify right side
    219,777.20x = 20,443,814,591.28
  5. Step 5: Solve for x
    x = 20,443,814,591.28/219,777.20
  6. Step 6: Final answer
    x = 93,020.63

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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.