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Finding the Fourth Proportional to 171,020.78, 236,007.45 and 95,569.28

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Solution

The fourth proportional to 171,020.78, 236,007.45 and 95,569.28 is: 131,884.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,020.78 : 236,007.45 = 95,569.28 : x
  2. Step 2: Convert to fraction form
    171,020.78/236,007.45 = 95,569.28/x
  3. Step 3: Cross multiply
    171,020.78x = 236,007.45 × 95,569.28
  4. Step 4: Simplify right side
    171,020.78x = 22,555,062,071.14
  5. Step 5: Solve for x
    x = 22,555,062,071.14/171,020.78
  6. Step 6: Final answer
    x = 131,884.92

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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.