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Finding the Fourth Proportional to 218,052.52, 326,845.50 and 112,765.48

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Solution

The fourth proportional to 218,052.52, 326,845.50 and 112,765.48 is: 169,027.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,052.52 : 326,845.50 = 112,765.48 : x
  2. Step 2: Convert to fraction form
    218,052.52/326,845.50 = 112,765.48/x
  3. Step 3: Cross multiply
    218,052.52x = 326,845.50 × 112,765.48
  4. Step 4: Simplify right side
    218,052.52x = 36,856,889,693.34
  5. Step 5: Solve for x
    x = 36,856,889,693.34/218,052.52
  6. Step 6: Final answer
    x = 169,027.58

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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.