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Finding the Fourth Proportional to 171,242, 236,314 and 95,790.48

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Solution

The fourth proportional to 171,242, 236,314 and 95,790.48 is: 132,190.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,242 : 236,314 = 95,790.48 : x
  2. Step 2: Convert to fraction form
    171,242/236,314 = 95,790.48/x
  3. Step 3: Cross multiply
    171,242x = 236,314 × 95,790.48
  4. Step 4: Simplify right side
    171,242x = 22,636,631,490.72
  5. Step 5: Solve for x
    x = 22,636,631,490.72/171,242
  6. Step 6: Final answer
    x = 132,190.88

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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.