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Finding the Fourth Proportional to 73,233.91, 109,867.47 and 26,486.79

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Solution

The fourth proportional to 73,233.91, 109,867.47 and 26,486.79 is: 39,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,233.91 : 109,867.47 = 26,486.79 : x
  2. Step 2: Convert to fraction form
    73,233.91/109,867.47 = 26,486.79/x
  3. Step 3: Cross multiply
    73,233.91x = 109,867.47 × 26,486.79
  4. Step 4: Simplify right side
    73,233.91x = 2,910,036,605.72
  5. Step 5: Solve for x
    x = 2,910,036,605.72/73,233.91
  6. Step 6: Final answer
    x = 39,736.19

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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.