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Finding the Fourth Proportional to 242,700.54, 334,770.41 and 161,027.03

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Solution

The fourth proportional to 242,700.54, 334,770.41 and 161,027.03 is: 222,113.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,700.54 : 334,770.41 = 161,027.03 : x
  2. Step 2: Convert to fraction form
    242,700.54/334,770.41 = 161,027.03/x
  3. Step 3: Cross multiply
    242,700.54x = 334,770.41 × 161,027.03
  4. Step 4: Simplify right side
    242,700.54x = 53,907,082,375.20
  5. Step 5: Solve for x
    x = 53,907,082,375.20/242,700.54
  6. Step 6: Final answer
    x = 222,113.57

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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.