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Finding the Fourth Proportional to 114,059.86, 157,350.29 and 73,786.61

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Solution

The fourth proportional to 114,059.86, 157,350.29 and 73,786.61 is: 101,791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,059.86 : 157,350.29 = 73,786.61 : x
  2. Step 2: Convert to fraction form
    114,059.86/157,350.29 = 73,786.61/x
  3. Step 3: Cross multiply
    114,059.86x = 157,350.29 × 73,786.61
  4. Step 4: Simplify right side
    114,059.86x = 11,610,344,481.62
  5. Step 5: Solve for x
    x = 11,610,344,481.62/114,059.86
  6. Step 6: Final answer
    x = 101,791.68

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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.