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Finding the Fourth Proportional to 71,961.19, 107,942.06 and 22,041.07

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Solution

The fourth proportional to 71,961.19, 107,942.06 and 22,041.07 is: 33,061.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,961.19 : 107,942.06 = 22,041.07 : x
  2. Step 2: Convert to fraction form
    71,961.19/107,942.06 = 22,041.07/x
  3. Step 3: Cross multiply
    71,961.19x = 107,942.06 × 22,041.07
  4. Step 4: Simplify right side
    71,961.19x = 2,379,158,500.40
  5. Step 5: Solve for x
    x = 2,379,158,500.40/71,961.19
  6. Step 6: Final answer
    x = 33,061.69

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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.