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Finding the Fourth Proportional to 73,757.28, 110,642.40 and 29,395.20

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Solution

The fourth proportional to 73,757.28, 110,642.40 and 29,395.20 is: 44,095.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,757.28 : 110,642.40 = 29,395.20 : x
  2. Step 2: Convert to fraction form
    73,757.28/110,642.40 = 29,395.20/x
  3. Step 3: Cross multiply
    73,757.28x = 110,642.40 × 29,395.20
  4. Step 4: Simplify right side
    73,757.28x = 3,252,355,476.48
  5. Step 5: Solve for x
    x = 3,252,355,476.48/73,757.28
  6. Step 6: Final answer
    x = 44,095.38

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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.