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Finding the Fourth Proportional to 71,941.46, 107,912.03 and 19,351.00

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Solution

The fourth proportional to 71,941.46, 107,912.03 and 19,351.00 is: 29,026.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,941.46 : 107,912.03 = 19,351.00 : x
  2. Step 2: Convert to fraction form
    71,941.46/107,912.03 = 19,351.00/x
  3. Step 3: Cross multiply
    71,941.46x = 107,912.03 × 19,351.00
  4. Step 4: Simplify right side
    71,941.46x = 2,088,205,325.99
  5. Step 5: Solve for x
    x = 2,088,205,325.99/71,941.46
  6. Step 6: Final answer
    x = 29,026.45

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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.