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Finding the Fourth Proportional to 265,872.96, 398,884.80 and 108,214.56

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Solution

The fourth proportional to 265,872.96, 398,884.80 and 108,214.56 is: 162,352.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,872.96 : 398,884.80 = 108,214.56 : x
  2. Step 2: Convert to fraction form
    265,872.96/398,884.80 = 108,214.56/x
  3. Step 3: Cross multiply
    265,872.96x = 398,884.80 × 108,214.56
  4. Step 4: Simplify right side
    265,872.96x = 43,165,143,122.69
  5. Step 5: Solve for x
    x = 43,165,143,122.69/265,872.96
  6. Step 6: Final answer
    x = 162,352.51

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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.