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Finding the Fourth Proportional to 67,993.34, 101,954.91 and 30,521.24

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Solution

The fourth proportional to 67,993.34, 101,954.91 and 30,521.24 is: 45,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,993.34 : 101,954.91 = 30,521.24 : x
  2. Step 2: Convert to fraction form
    67,993.34/101,954.91 = 30,521.24/x
  3. Step 3: Cross multiply
    67,993.34x = 101,954.91 × 30,521.24
  4. Step 4: Simplify right side
    67,993.34x = 3,111,790,277.29
  5. Step 5: Solve for x
    x = 3,111,790,277.29/67,993.34
  6. Step 6: Final answer
    x = 45,766.10

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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.