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Finding the Fourth Proportional to 161,318.28, 222,587.32 and 97,662

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Solution

The fourth proportional to 161,318.28, 222,587.32 and 97,662 is: 134,754.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,318.28 : 222,587.32 = 97,662 : x
  2. Step 2: Convert to fraction form
    161,318.28/222,587.32 = 97,662/x
  3. Step 3: Cross multiply
    161,318.28x = 222,587.32 × 97,662
  4. Step 4: Simplify right side
    161,318.28x = 21,738,322,845.84
  5. Step 5: Solve for x
    x = 21,738,322,845.84/161,318.28
  6. Step 6: Final answer
    x = 134,754.24

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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.