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Finding the Fourth Proportional to 169,020.21, 233,245.89 and 92,538.39

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Solution

The fourth proportional to 169,020.21, 233,245.89 and 92,538.39 is: 127,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,020.21 : 233,245.89 = 92,538.39 : x
  2. Step 2: Convert to fraction form
    169,020.21/233,245.89 = 92,538.39/x
  3. Step 3: Cross multiply
    169,020.21x = 233,245.89 × 92,538.39
  4. Step 4: Simplify right side
    169,020.21x = 21,584,199,134.72
  5. Step 5: Solve for x
    x = 21,584,199,134.72/169,020.21
  6. Step 6: Final answer
    x = 127,701.88

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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.