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Finding the Fourth Proportional to 167,989.68, 231,828.54 and 92,538.24

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Solution

The fourth proportional to 167,989.68, 231,828.54 and 92,538.24 is: 127,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,989.68 : 231,828.54 = 92,538.24 : x
  2. Step 2: Convert to fraction form
    167,989.68/231,828.54 = 92,538.24/x
  3. Step 3: Cross multiply
    167,989.68x = 231,828.54 × 92,538.24
  4. Step 4: Simplify right side
    167,989.68x = 21,453,005,073.37
  5. Step 5: Solve for x
    x = 21,453,005,073.37/167,989.68
  6. Step 6: Final answer
    x = 127,704.30

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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.