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Finding the Fourth Proportional to 167,458.52, 231,097.01 and 90,976.85

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Solution

The fourth proportional to 167,458.52, 231,097.01 and 90,976.85 is: 125,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,458.52 : 231,097.01 = 90,976.85 : x
  2. Step 2: Convert to fraction form
    167,458.52/231,097.01 = 90,976.85/x
  3. Step 3: Cross multiply
    167,458.52x = 231,097.01 × 90,976.85
  4. Step 4: Simplify right side
    167,458.52x = 21,024,478,014.22
  5. Step 5: Solve for x
    x = 21,024,478,014.22/167,458.52
  6. Step 6: Final answer
    x = 125,550.36

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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.