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Finding the Fourth Proportional to 213,800.93, 320,753.24 and 64,040.93

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Solution

The fourth proportional to 213,800.93, 320,753.24 and 64,040.93 is: 96,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,800.93 : 320,753.24 = 64,040.93 : x
  2. Step 2: Convert to fraction form
    213,800.93/320,753.24 = 64,040.93/x
  3. Step 3: Cross multiply
    213,800.93x = 320,753.24 × 64,040.93
  4. Step 4: Simplify right side
    213,800.93x = 20,541,335,469.91
  5. Step 5: Solve for x
    x = 20,541,335,469.91/213,800.93
  6. Step 6: Final answer
    x = 96,076.92

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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.