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Finding the Fourth Proportional to 171,698.15, 236,945.57 and 95,218.31

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Solution

The fourth proportional to 171,698.15, 236,945.57 and 95,218.31 is: 131,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,698.15 : 236,945.57 = 95,218.31 : x
  2. Step 2: Convert to fraction form
    171,698.15/236,945.57 = 95,218.31/x
  3. Step 3: Cross multiply
    171,698.15x = 236,945.57 × 95,218.31
  4. Step 4: Simplify right side
    171,698.15x = 22,561,556,853.66
  5. Step 5: Solve for x
    x = 22,561,556,853.66/171,698.15
  6. Step 6: Final answer
    x = 131,402.44

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1.5x scale

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.