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Finding the Fourth Proportional to 104,862, 144,608.52 and 69,007.44

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Solution

The fourth proportional to 104,862, 144,608.52 and 69,007.44 is: 95,163.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,862 : 144,608.52 = 69,007.44 : x
  2. Step 2: Convert to fraction form
    104,862/144,608.52 = 69,007.44/x
  3. Step 3: Cross multiply
    104,862x = 144,608.52 × 69,007.44
  4. Step 4: Simplify right side
    104,862x = 9,979,063,767.39
  5. Step 5: Solve for x
    x = 9,979,063,767.39/104,862
  6. Step 6: Final answer
    x = 95,163.77

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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.