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Finding the Fourth Proportional to 234,647.92, 351,953.50 and 66,161.44

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Solution

The fourth proportional to 234,647.92, 351,953.50 and 66,161.44 is: 99,236.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,647.92 : 351,953.50 = 66,161.44 : x
  2. Step 2: Convert to fraction form
    234,647.92/351,953.50 = 66,161.44/x
  3. Step 3: Cross multiply
    234,647.92x = 351,953.50 × 66,161.44
  4. Step 4: Simplify right side
    234,647.92x = 23,285,750,373.04
  5. Step 5: Solve for x
    x = 23,285,750,373.04/234,647.92
  6. Step 6: Final answer
    x = 99,236.98

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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.