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Finding the Fourth Proportional to 73,253.28, 109,766.25 and 50,807.79

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Solution

The fourth proportional to 73,253.28, 109,766.25 and 50,807.79 is: 76,132.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,253.28 : 109,766.25 = 50,807.79 : x
  2. Step 2: Convert to fraction form
    73,253.28/109,766.25 = 50,807.79/x
  3. Step 3: Cross multiply
    73,253.28x = 109,766.25 × 50,807.79
  4. Step 4: Simplify right side
    73,253.28x = 5,576,980,579.09
  5. Step 5: Solve for x
    x = 5,576,980,579.09/73,253.28
  6. Step 6: Final answer
    x = 76,132.84

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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.