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Finding the Fourth Proportional to 167,981.51, 231,814.50 and 92,530.01

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Solution

The fourth proportional to 167,981.51, 231,814.50 and 92,530.01 is: 127,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,981.51 : 231,814.50 = 92,530.01 : x
  2. Step 2: Convert to fraction form
    167,981.51/231,814.50 = 92,530.01/x
  3. Step 3: Cross multiply
    167,981.51x = 231,814.50 × 92,530.01
  4. Step 4: Simplify right side
    167,981.51x = 21,449,798,003.15
  5. Step 5: Solve for x
    x = 21,449,798,003.15/167,981.51
  6. Step 6: Final answer
    x = 127,691.42

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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.