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Finding the Fourth Proportional to 167,870, 231,660.60 and 92,425.52

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Solution

The fourth proportional to 167,870, 231,660.60 and 92,425.52 is: 127,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,870 : 231,660.60 = 92,425.52 : x
  2. Step 2: Convert to fraction form
    167,870/231,660.60 = 92,425.52/x
  3. Step 3: Cross multiply
    167,870x = 231,660.60 × 92,425.52
  4. Step 4: Simplify right side
    167,870x = 21,411,351,418.51
  5. Step 5: Solve for x
    x = 21,411,351,418.51/167,870
  6. Step 6: Final answer
    x = 127,547.22

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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.