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Finding the Fourth Proportional to 267,604.60, 401,306.88 and 107,626.53

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Solution

The fourth proportional to 267,604.60, 401,306.88 and 107,626.53 is: 161,399.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,604.60 : 401,306.88 = 107,626.53 : x
  2. Step 2: Convert to fraction form
    267,604.60/401,306.88 = 107,626.53/x
  3. Step 3: Cross multiply
    267,604.60x = 401,306.88 × 107,626.53
  4. Step 4: Simplify right side
    267,604.60x = 43,191,266,421.39
  5. Step 5: Solve for x
    x = 43,191,266,421.39/267,604.60
  6. Step 6: Final answer
    x = 161,399.57

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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.