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Finding the Fourth Proportional to 137,218.01, 205,745.00 and 52,908.26

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Solution

The fourth proportional to 137,218.01, 205,745.00 and 52,908.26 is: 79,330.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,218.01 : 205,745.00 = 52,908.26 : x
  2. Step 2: Convert to fraction form
    137,218.01/205,745.00 = 52,908.26/x
  3. Step 3: Cross multiply
    137,218.01x = 205,745.00 × 52,908.26
  4. Step 4: Simplify right side
    137,218.01x = 10,885,608,660.43
  5. Step 5: Solve for x
    x = 10,885,608,660.43/137,218.01
  6. Step 6: Final answer
    x = 79,330.76

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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.