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Finding the Fourth Proportional to 161,073.17, 222,392.17 and 100,670.96

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Solution

The fourth proportional to 161,073.17, 222,392.17 and 100,670.96 is: 138,995.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,073.17 : 222,392.17 = 100,670.96 : x
  2. Step 2: Convert to fraction form
    161,073.17/222,392.17 = 100,670.96/x
  3. Step 3: Cross multiply
    161,073.17x = 222,392.17 × 100,670.96
  4. Step 4: Simplify right side
    161,073.17x = 22,388,433,250.38
  5. Step 5: Solve for x
    x = 22,388,433,250.38/161,073.17
  6. Step 6: Final answer
    x = 138,995.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.