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Finding the Fourth Proportional to 70,822.44, 106,233.92 and 26,448.72

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Solution

The fourth proportional to 70,822.44, 106,233.92 and 26,448.72 is: 39,673.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,822.44 : 106,233.92 = 26,448.72 : x
  2. Step 2: Convert to fraction form
    70,822.44/106,233.92 = 26,448.72/x
  3. Step 3: Cross multiply
    70,822.44x = 106,233.92 × 26,448.72
  4. Step 4: Simplify right side
    70,822.44x = 2,809,751,204.58
  5. Step 5: Solve for x
    x = 2,809,751,204.58/70,822.44
  6. Step 6: Final answer
    x = 39,673.18

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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.