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Finding the Fourth Proportional to 70,917, 106,393.73 and 26,544.39

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Solution

The fourth proportional to 70,917, 106,393.73 and 26,544.39 is: 39,823.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,917 : 106,393.73 = 26,544.39 : x
  2. Step 2: Convert to fraction form
    70,917/106,393.73 = 26,544.39/x
  3. Step 3: Cross multiply
    70,917x = 106,393.73 × 26,544.39
  4. Step 4: Simplify right side
    70,917x = 2,824,156,662.67
  5. Step 5: Solve for x
    x = 2,824,156,662.67/70,917
  6. Step 6: Final answer
    x = 39,823.41

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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.