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Finding the Fourth Proportional to 248,372.89, 372,562.83 and 70,879.92

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Solution

The fourth proportional to 248,372.89, 372,562.83 and 70,879.92 is: 106,320.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,372.89 : 372,562.83 = 70,879.92 : x
  2. Step 2: Convert to fraction form
    248,372.89/372,562.83 = 70,879.92/x
  3. Step 3: Cross multiply
    248,372.89x = 372,562.83 × 70,879.92
  4. Step 4: Simplify right side
    248,372.89x = 26,407,223,585.37
  5. Step 5: Solve for x
    x = 26,407,223,585.37/248,372.89
  6. Step 6: Final answer
    x = 106,320.88

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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.