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Finding the Fourth Proportional to 217,502.94, 326,191.77 and 59,736.54

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Solution

The fourth proportional to 217,502.94, 326,191.77 and 59,736.54 is: 89,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,502.94 : 326,191.77 = 59,736.54 : x
  2. Step 2: Convert to fraction form
    217,502.94/326,191.77 = 59,736.54/x
  3. Step 3: Cross multiply
    217,502.94x = 326,191.77 × 59,736.54
  4. Step 4: Simplify right side
    217,502.94x = 19,485,567,716.28
  5. Step 5: Solve for x
    x = 19,485,567,716.28/217,502.94
  6. Step 6: Final answer
    x = 89,587.61

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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.