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Finding the Fourth Proportional to 171,642.96, 236,891.79 and 95,179.05

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Solution

The fourth proportional to 171,642.96, 236,891.79 and 95,179.05 is: 131,360.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,642.96 : 236,891.79 = 95,179.05 : x
  2. Step 2: Convert to fraction form
    171,642.96/236,891.79 = 95,179.05/x
  3. Step 3: Cross multiply
    171,642.96x = 236,891.79 × 95,179.05
  4. Step 4: Simplify right side
    171,642.96x = 22,547,135,525.00
  5. Step 5: Solve for x
    x = 22,547,135,525.00/171,642.96
  6. Step 6: Final answer
    x = 131,360.68

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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.