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Finding the Fourth Proportional to 110,807.92, 165,792.66 and 67,960.36

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Solution

The fourth proportional to 110,807.92, 165,792.66 and 67,960.36 is: 101,683.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,807.92 : 165,792.66 = 67,960.36 : x
  2. Step 2: Convert to fraction form
    110,807.92/165,792.66 = 67,960.36/x
  3. Step 3: Cross multiply
    110,807.92x = 165,792.66 × 67,960.36
  4. Step 4: Simplify right side
    110,807.92x = 11,267,328,858.96
  5. Step 5: Solve for x
    x = 11,267,328,858.96/110,807.92
  6. Step 6: Final answer
    x = 101,683.43

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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.