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Finding the Fourth Proportional to 162,722, 244,456.38 and 115,453.64

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Solution

The fourth proportional to 162,722, 244,456.38 and 115,453.64 is: 173,445.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,722 : 244,456.38 = 115,453.64 : x
  2. Step 2: Convert to fraction form
    162,722/244,456.38 = 115,453.64/x
  3. Step 3: Cross multiply
    162,722x = 244,456.38 × 115,453.64
  4. Step 4: Simplify right side
    162,722x = 28,223,378,892.22
  5. Step 5: Solve for x
    x = 28,223,378,892.22/162,722
  6. Step 6: Final answer
    x = 173,445.38

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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.