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Finding the Fourth Proportional to 164,019.96, 246,104.90 and 74,086.71

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Solution

The fourth proportional to 164,019.96, 246,104.90 and 74,086.71 is: 111,163.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,019.96 : 246,104.90 = 74,086.71 : x
  2. Step 2: Convert to fraction form
    164,019.96/246,104.90 = 74,086.71/x
  3. Step 3: Cross multiply
    164,019.96x = 246,104.90 × 74,086.71
  4. Step 4: Simplify right side
    164,019.96x = 18,233,103,186.16
  5. Step 5: Solve for x
    x = 18,233,103,186.16/164,019.96
  6. Step 6: Final answer
    x = 111,163.93

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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.