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Finding the Fourth Proportional to 235,856.10, 353,795.09 and 67,400.61

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Solution

The fourth proportional to 235,856.10, 353,795.09 and 67,400.61 is: 101,104.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,856.10 : 353,795.09 = 67,400.61 : x
  2. Step 2: Convert to fraction form
    235,856.10/353,795.09 = 67,400.61/x
  3. Step 3: Cross multiply
    235,856.10x = 353,795.09 × 67,400.61
  4. Step 4: Simplify right side
    235,856.10x = 23,846,003,596.40
  5. Step 5: Solve for x
    x = 23,846,003,596.40/235,856.10
  6. Step 6: Final answer
    x = 101,104.03

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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.