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Finding the Fourth Proportional to 118,163.36, 176,828.68 and 73,811

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Solution

The fourth proportional to 118,163.36, 176,828.68 and 73,811 is: 110,456.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,163.36 : 176,828.68 = 73,811 : x
  2. Step 2: Convert to fraction form
    118,163.36/176,828.68 = 73,811/x
  3. Step 3: Cross multiply
    118,163.36x = 176,828.68 × 73,811
  4. Step 4: Simplify right side
    118,163.36x = 13,051,901,699.48
  5. Step 5: Solve for x
    x = 13,051,901,699.48/118,163.36
  6. Step 6: Final answer
    x = 110,456.42

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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.