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Finding the Fourth Proportional to 238,090.80, 356,884.20 and 88,234.80

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Solution

The fourth proportional to 238,090.80, 356,884.20 and 88,234.80 is: 132,258.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,090.80 : 356,884.20 = 88,234.80 : x
  2. Step 2: Convert to fraction form
    238,090.80/356,884.20 = 88,234.80/x
  3. Step 3: Cross multiply
    238,090.80x = 356,884.20 × 88,234.80
  4. Step 4: Simplify right side
    238,090.80x = 31,489,606,010.16
  5. Step 5: Solve for x
    x = 31,489,606,010.16/238,090.80
  6. Step 6: Final answer
    x = 132,258.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.