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Finding the Fourth Proportional to 71,792.77, 107,706.27 and 36,166.54

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Solution

The fourth proportional to 71,792.77, 107,706.27 and 36,166.54 is: 54,258.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,792.77 : 107,706.27 = 36,166.54 : x
  2. Step 2: Convert to fraction form
    71,792.77/107,706.27 = 36,166.54/x
  3. Step 3: Cross multiply
    71,792.77x = 107,706.27 × 36,166.54
  4. Step 4: Simplify right side
    71,792.77x = 3,895,363,122.21
  5. Step 5: Solve for x
    x = 3,895,363,122.21/71,792.77
  6. Step 6: Final answer
    x = 54,258.43

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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.