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Finding the Fourth Proportional to 68,278.88, 94,230.47 and 37,657.97

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Solution

The fourth proportional to 68,278.88, 94,230.47 and 37,657.97 is: 51,971.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,278.88 : 94,230.47 = 37,657.97 : x
  2. Step 2: Convert to fraction form
    68,278.88/94,230.47 = 37,657.97/x
  3. Step 3: Cross multiply
    68,278.88x = 94,230.47 × 37,657.97
  4. Step 4: Simplify right side
    68,278.88x = 3,548,527,552.90
  5. Step 5: Solve for x
    x = 3,548,527,552.90/68,278.88
  6. Step 6: Final answer
    x = 51,971.09

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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.