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Finding the Fourth Proportional to 137,218.10, 205,499.10 and 110,974.10

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Solution

The fourth proportional to 137,218.10, 205,499.10 and 110,974.10 is: 166,195.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,218.10 : 205,499.10 = 110,974.10 : x
  2. Step 2: Convert to fraction form
    137,218.10/205,499.10 = 110,974.10/x
  3. Step 3: Cross multiply
    137,218.10x = 205,499.10 × 110,974.10
  4. Step 4: Simplify right side
    137,218.10x = 22,805,077,673.31
  5. Step 5: Solve for x
    x = 22,805,077,673.31/137,218.10
  6. Step 6: Final answer
    x = 166,195.84

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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.