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Finding the Fourth Proportional to 362,103.48, 542,972.97 and 125,382.60

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Solution

The fourth proportional to 362,103.48, 542,972.97 and 125,382.60 is: 188,010.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,103.48 : 542,972.97 = 125,382.60 : x
  2. Step 2: Convert to fraction form
    362,103.48/542,972.97 = 125,382.60/x
  3. Step 3: Cross multiply
    362,103.48x = 542,972.97 × 125,382.60
  4. Step 4: Simplify right side
    362,103.48x = 68,079,362,708.32
  5. Step 5: Solve for x
    x = 68,079,362,708.32/362,103.48
  6. Step 6: Final answer
    x = 188,010.79

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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.