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Finding the Fourth Proportional to 73,253.85, 110,429.81 and 68,371.32

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Solution

The fourth proportional to 73,253.85, 110,429.81 and 68,371.32 is: 103,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,253.85 : 110,429.81 = 68,371.32 : x
  2. Step 2: Convert to fraction form
    73,253.85/110,429.81 = 68,371.32/x
  3. Step 3: Cross multiply
    73,253.85x = 110,429.81 × 68,371.32
  4. Step 4: Simplify right side
    73,253.85x = 7,550,231,877.05
  5. Step 5: Solve for x
    x = 7,550,231,877.05/73,253.85
  6. Step 6: Final answer
    x = 103,069.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.