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Finding the Fourth Proportional to 236,084.22, 325,796.18 and 128,654.22

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Solution

The fourth proportional to 236,084.22, 325,796.18 and 128,654.22 is: 177,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,084.22 : 325,796.18 = 128,654.22 : x
  2. Step 2: Convert to fraction form
    236,084.22/325,796.18 = 128,654.22/x
  3. Step 3: Cross multiply
    236,084.22x = 325,796.18 × 128,654.22
  4. Step 4: Simplify right side
    236,084.22x = 41,915,053,416.88
  5. Step 5: Solve for x
    x = 41,915,053,416.88/236,084.22
  6. Step 6: Final answer
    x = 177,542.80

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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.