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Finding the Fourth Proportional to 204,355.76, 306,572.52 and 64,076.72

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Solution

The fourth proportional to 204,355.76, 306,572.52 and 64,076.72 is: 96,127.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,355.76 : 306,572.52 = 64,076.72 : x
  2. Step 2: Convert to fraction form
    204,355.76/306,572.52 = 64,076.72/x
  3. Step 3: Cross multiply
    204,355.76x = 306,572.52 × 64,076.72
  4. Step 4: Simplify right side
    204,355.76x = 19,644,161,523.73
  5. Step 5: Solve for x
    x = 19,644,161,523.73/204,355.76
  6. Step 6: Final answer
    x = 96,127.27

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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.