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Finding the Fourth Proportional to 216,540.54, 324,807.23 and 64,737.97

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Solution

The fourth proportional to 216,540.54, 324,807.23 and 64,737.97 is: 97,105.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,540.54 : 324,807.23 = 64,737.97 : x
  2. Step 2: Convert to fraction form
    216,540.54/324,807.23 = 64,737.97/x
  3. Step 3: Cross multiply
    216,540.54x = 324,807.23 × 64,737.97
  4. Step 4: Simplify right side
    216,540.54x = 21,027,359,737.66
  5. Step 5: Solve for x
    x = 21,027,359,737.66/216,540.54
  6. Step 6: Final answer
    x = 97,105.88

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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.