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Finding the Fourth Proportional to 267,850.25, 401,770.95 and 107,922.29

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Solution

The fourth proportional to 267,850.25, 401,770.95 and 107,922.29 is: 161,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,850.25 : 401,770.95 = 107,922.29 : x
  2. Step 2: Convert to fraction form
    267,850.25/401,770.95 = 107,922.29/x
  3. Step 3: Cross multiply
    267,850.25x = 401,770.95 × 107,922.29
  4. Step 4: Simplify right side
    267,850.25x = 43,360,038,970.62
  5. Step 5: Solve for x
    x = 43,360,038,970.62/267,850.25
  6. Step 6: Final answer
    x = 161,881.65

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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.