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Finding the Fourth Proportional to 171,866.54, 237,204.32 and 100,246.56

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Solution

The fourth proportional to 171,866.54, 237,204.32 and 100,246.56 is: 138,356.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,866.54 : 237,204.32 = 100,246.56 : x
  2. Step 2: Convert to fraction form
    171,866.54/237,204.32 = 100,246.56/x
  3. Step 3: Cross multiply
    171,866.54x = 237,204.32 × 100,246.56
  4. Step 4: Simplify right side
    171,866.54x = 23,778,917,097.14
  5. Step 5: Solve for x
    x = 23,778,917,097.14/171,866.54
  6. Step 6: Final answer
    x = 138,356.87

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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.