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Finding the Fourth Proportional to 137,502.36, 206,122.32 and 43,944.12

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Solution

The fourth proportional to 137,502.36, 206,122.32 and 43,944.12 is: 65,874.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,502.36 : 206,122.32 = 43,944.12 : x
  2. Step 2: Convert to fraction form
    137,502.36/206,122.32 = 43,944.12/x
  3. Step 3: Cross multiply
    137,502.36x = 206,122.32 × 43,944.12
  4. Step 4: Simplify right side
    137,502.36x = 9,057,863,964.76
  5. Step 5: Solve for x
    x = 9,057,863,964.76/137,502.36
  6. Step 6: Final answer
    x = 65,874.24

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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.