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Finding the Fourth Proportional to 171,380.25, 236,531.43 and 97,792.82

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Solution

The fourth proportional to 171,380.25, 236,531.43 and 97,792.82 is: 134,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,380.25 : 236,531.43 = 97,792.82 : x
  2. Step 2: Convert to fraction form
    171,380.25/236,531.43 = 97,792.82/x
  3. Step 3: Cross multiply
    171,380.25x = 236,531.43 × 97,792.82
  4. Step 4: Simplify right side
    171,380.25x = 23,131,074,375.68
  5. Step 5: Solve for x
    x = 23,131,074,375.68/171,380.25
  6. Step 6: Final answer
    x = 134,969.31

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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.