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Finding the Fourth Proportional to 167,969.28, 231,779.52 and 92,513.28

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Solution

The fourth proportional to 167,969.28, 231,779.52 and 92,513.28 is: 127,658.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,969.28 : 231,779.52 = 92,513.28 : x
  2. Step 2: Convert to fraction form
    167,969.28/231,779.52 = 92,513.28/x
  3. Step 3: Cross multiply
    167,969.28x = 231,779.52 × 92,513.28
  4. Step 4: Simplify right side
    167,969.28x = 21,442,683,632.03
  5. Step 5: Solve for x
    x = 21,442,683,632.03/167,969.28
  6. Step 6: Final answer
    x = 127,658.36

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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.