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Finding the Fourth Proportional to 71,208.77, 106,800.98 and 23,817.29

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Solution

The fourth proportional to 71,208.77, 106,800.98 and 23,817.29 is: 35,721.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,208.77 : 106,800.98 = 23,817.29 : x
  2. Step 2: Convert to fraction form
    71,208.77/106,800.98 = 23,817.29/x
  3. Step 3: Cross multiply
    71,208.77x = 106,800.98 × 23,817.29
  4. Step 4: Simplify right side
    71,208.77x = 2,543,709,259.85
  5. Step 5: Solve for x
    x = 2,543,709,259.85/71,208.77
  6. Step 6: Final answer
    x = 35,721.86

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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.