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Finding the Fourth Proportional to 367,342.32, 550,495.08 and 156,906.48

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Solution

The fourth proportional to 367,342.32, 550,495.08 and 156,906.48 is: 235,138.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,342.32 : 550,495.08 = 156,906.48 : x
  2. Step 2: Convert to fraction form
    367,342.32/550,495.08 = 156,906.48/x
  3. Step 3: Cross multiply
    367,342.32x = 550,495.08 × 156,906.48
  4. Step 4: Simplify right side
    367,342.32x = 86,376,245,260.12
  5. Step 5: Solve for x
    x = 86,376,245,260.12/367,342.32
  6. Step 6: Final answer
    x = 235,138.29

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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.