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Finding the Fourth Proportional to 167,989.98, 231,826.14 and 92,538.48

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Solution

The fourth proportional to 167,989.98, 231,826.14 and 92,538.48 is: 127,703.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,989.98 : 231,826.14 = 92,538.48 : x
  2. Step 2: Convert to fraction form
    167,989.98/231,826.14 = 92,538.48/x
  3. Step 3: Cross multiply
    167,989.98x = 231,826.14 × 92,538.48
  4. Step 4: Simplify right side
    167,989.98x = 21,452,838,619.87
  5. Step 5: Solve for x
    x = 21,452,838,619.87/167,989.98
  6. Step 6: Final answer
    x = 127,703.08

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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.