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Finding the Fourth Proportional to 238,362.75, 357,544.13 and 88,640.73

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Solution

The fourth proportional to 238,362.75, 357,544.13 and 88,640.73 is: 132,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,362.75 : 357,544.13 = 88,640.73 : x
  2. Step 2: Convert to fraction form
    238,362.75/357,544.13 = 88,640.73/x
  3. Step 3: Cross multiply
    238,362.75x = 357,544.13 × 88,640.73
  4. Step 4: Simplify right side
    238,362.75x = 31,692,972,247.21
  5. Step 5: Solve for x
    x = 31,692,972,247.21/238,362.75
  6. Step 6: Final answer
    x = 132,961.10

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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.