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Finding the Fourth Proportional to 232,396.96, 348,608.48 and 66,172

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Solution

The fourth proportional to 232,396.96, 348,608.48 and 66,172 is: 99,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,396.96 : 348,608.48 = 66,172 : x
  2. Step 2: Convert to fraction form
    232,396.96/348,608.48 = 66,172/x
  3. Step 3: Cross multiply
    232,396.96x = 348,608.48 × 66,172
  4. Step 4: Simplify right side
    232,396.96x = 23,068,120,338.56
  5. Step 5: Solve for x
    x = 23,068,120,338.56/232,396.96
  6. Step 6: Final answer
    x = 99,261.71

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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.