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Finding the Fourth Proportional to 73,474.89, 110,243.55 and 40,156.03

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Solution

The fourth proportional to 73,474.89, 110,243.55 and 40,156.03 is: 60,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,474.89 : 110,243.55 = 40,156.03 : x
  2. Step 2: Convert to fraction form
    73,474.89/110,243.55 = 40,156.03/x
  3. Step 3: Cross multiply
    73,474.89x = 110,243.55 × 40,156.03
  4. Step 4: Simplify right side
    73,474.89x = 4,426,943,673.68
  5. Step 5: Solve for x
    x = 4,426,943,673.68/73,474.89
  6. Step 6: Final answer
    x = 60,251.11

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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.