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Finding the Fourth Proportional to 167,987.63, 231,822.93 and 92,536.13

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Solution

The fourth proportional to 167,987.63, 231,822.93 and 92,536.13 is: 127,699.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,987.63 : 231,822.93 = 92,536.13 : x
  2. Step 2: Convert to fraction form
    167,987.63/231,822.93 = 92,536.13/x
  3. Step 3: Cross multiply
    167,987.63x = 231,822.93 × 92,536.13
  4. Step 4: Simplify right side
    167,987.63x = 21,451,995,628.35
  5. Step 5: Solve for x
    x = 21,451,995,628.35/167,987.63
  6. Step 6: Final answer
    x = 127,699.86

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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.