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Finding the Fourth Proportional to 71,120.46, 106,605.81 and 23,722.86

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Solution

The fourth proportional to 71,120.46, 106,605.81 and 23,722.86 is: 35,559.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,120.46 : 106,605.81 = 23,722.86 : x
  2. Step 2: Convert to fraction form
    71,120.46/106,605.81 = 23,722.86/x
  3. Step 3: Cross multiply
    71,120.46x = 106,605.81 × 23,722.86
  4. Step 4: Simplify right side
    71,120.46x = 2,528,994,705.82
  5. Step 5: Solve for x
    x = 2,528,994,705.82/71,120.46
  6. Step 6: Final answer
    x = 35,559.31

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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.