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Finding the Fourth Proportional to 216,745.92, 325,086.06 and 58,986.66

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Solution

The fourth proportional to 216,745.92, 325,086.06 and 58,986.66 is: 88,471.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,745.92 : 325,086.06 = 58,986.66 : x
  2. Step 2: Convert to fraction form
    216,745.92/325,086.06 = 58,986.66/x
  3. Step 3: Cross multiply
    216,745.92x = 325,086.06 × 58,986.66
  4. Step 4: Simplify right side
    216,745.92x = 19,175,740,891.96
  5. Step 5: Solve for x
    x = 19,175,740,891.96/216,745.92
  6. Step 6: Final answer
    x = 88,471.06

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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.