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Finding the Fourth Proportional to 69,767.68, 96,278.92 and 37,936.60

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Solution

The fourth proportional to 69,767.68, 96,278.92 and 37,936.60 is: 52,352.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,767.68 : 96,278.92 = 37,936.60 : x
  2. Step 2: Convert to fraction form
    69,767.68/96,278.92 = 37,936.60/x
  3. Step 3: Cross multiply
    69,767.68x = 96,278.92 × 37,936.60
  4. Step 4: Simplify right side
    69,767.68x = 3,652,494,876.47
  5. Step 5: Solve for x
    x = 3,652,494,876.47/69,767.68
  6. Step 6: Final answer
    x = 52,352.25

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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.