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Finding the Fourth Proportional to 235,516.75, 353,266.85 and 67,037.96

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Solution

The fourth proportional to 235,516.75, 353,266.85 and 67,037.96 is: 100,554.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,516.75 : 353,266.85 = 67,037.96 : x
  2. Step 2: Convert to fraction form
    235,516.75/353,266.85 = 67,037.96/x
  3. Step 3: Cross multiply
    235,516.75x = 353,266.85 × 67,037.96
  4. Step 4: Simplify right side
    235,516.75x = 23,682,290,010.39
  5. Step 5: Solve for x
    x = 23,682,290,010.39/235,516.75
  6. Step 6: Final answer
    x = 100,554.59

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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.