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Finding the Fourth Proportional to 171,720.84, 236,971.24 and 95,227.60

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Solution

The fourth proportional to 171,720.84, 236,971.24 and 95,227.60 is: 131,412.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,720.84 : 236,971.24 = 95,227.60 : x
  2. Step 2: Convert to fraction form
    171,720.84/236,971.24 = 95,227.60/x
  3. Step 3: Cross multiply
    171,720.84x = 236,971.24 × 95,227.60
  4. Step 4: Simplify right side
    171,720.84x = 22,566,202,454.22
  5. Step 5: Solve for x
    x = 22,566,202,454.22/171,720.84
  6. Step 6: Final answer
    x = 131,412.14

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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.