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Finding the Fourth Proportional to 371,850.28, 557,765.62 and 105,610.82

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Solution

The fourth proportional to 371,850.28, 557,765.62 and 105,610.82 is: 158,413.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,850.28 : 557,765.62 = 105,610.82 : x
  2. Step 2: Convert to fraction form
    371,850.28/557,765.62 = 105,610.82/x
  3. Step 3: Cross multiply
    371,850.28x = 557,765.62 × 105,610.82
  4. Step 4: Simplify right side
    371,850.28x = 58,906,084,496.01
  5. Step 5: Solve for x
    x = 58,906,084,496.01/371,850.28
  6. Step 6: Final answer
    x = 158,413.45

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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.