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Finding the Fourth Proportional to 95,687.95, 132,072.81 and 74,135.07

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Solution

The fourth proportional to 95,687.95, 132,072.81 and 74,135.07 is: 102,324.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,687.95 : 132,072.81 = 74,135.07 : x
  2. Step 2: Convert to fraction form
    95,687.95/132,072.81 = 74,135.07/x
  3. Step 3: Cross multiply
    95,687.95x = 132,072.81 × 74,135.07
  4. Step 4: Simplify right side
    95,687.95x = 9,791,227,014.45
  5. Step 5: Solve for x
    x = 9,791,227,014.45/95,687.95
  6. Step 6: Final answer
    x = 102,324.56

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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.