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Finding the Fourth Proportional to 95,986.68, 144,030.42 and 68,086.62

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Solution

The fourth proportional to 95,986.68, 144,030.42 and 68,086.62 is: 102,165.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,986.68 : 144,030.42 = 68,086.62 : x
  2. Step 2: Convert to fraction form
    95,986.68/144,030.42 = 68,086.62/x
  3. Step 3: Cross multiply
    95,986.68x = 144,030.42 × 68,086.62
  4. Step 4: Simplify right side
    95,986.68x = 9,806,544,474.98
  5. Step 5: Solve for x
    x = 9,806,544,474.98/95,986.68
  6. Step 6: Final answer
    x = 102,165.68

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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.