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Finding the Fourth Proportional to 106,993.28, 147,650.71 and 59,246.62

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Solution

The fourth proportional to 106,993.28, 147,650.71 and 59,246.62 is: 81,760.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,993.28 : 147,650.71 = 59,246.62 : x
  2. Step 2: Convert to fraction form
    106,993.28/147,650.71 = 59,246.62/x
  3. Step 3: Cross multiply
    106,993.28x = 147,650.71 × 59,246.62
  4. Step 4: Simplify right side
    106,993.28x = 8,747,805,508.10
  5. Step 5: Solve for x
    x = 8,747,805,508.10/106,993.28
  6. Step 6: Final answer
    x = 81,760.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.