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Finding the Fourth Proportional to 74,806, 103,224.90 and 52,193.61

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Solution

The fourth proportional to 74,806, 103,224.90 and 52,193.61 is: 72,022.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,806 : 103,224.90 = 52,193.61 : x
  2. Step 2: Convert to fraction form
    74,806/103,224.90 = 52,193.61/x
  3. Step 3: Cross multiply
    74,806x = 103,224.90 × 52,193.61
  4. Step 4: Simplify right side
    74,806x = 5,387,680,172.89
  5. Step 5: Solve for x
    x = 5,387,680,172.89/74,806
  6. Step 6: Final answer
    x = 72,022.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.