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Finding the Fourth Proportional to 167,881.37, 231,675.86 and 92,429.87

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Solution

The fourth proportional to 167,881.37, 231,675.86 and 92,429.87 is: 127,552.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,881.37 : 231,675.86 = 92,429.87 : x
  2. Step 2: Convert to fraction form
    167,881.37/231,675.86 = 92,429.87/x
  3. Step 3: Cross multiply
    167,881.37x = 231,675.86 × 92,429.87
  4. Step 4: Simplify right side
    167,881.37x = 21,413,768,694.63
  5. Step 5: Solve for x
    x = 21,413,768,694.63/167,881.37
  6. Step 6: Final answer
    x = 127,552.98

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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.