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Finding the Fourth Proportional to 267,481.10, 401,217.59 and 65,079.11

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Solution

The fourth proportional to 267,481.10, 401,217.59 and 65,079.11 is: 97,617.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,481.10 : 401,217.59 = 65,079.11 : x
  2. Step 2: Convert to fraction form
    267,481.10/401,217.59 = 65,079.11/x
  3. Step 3: Cross multiply
    267,481.10x = 401,217.59 × 65,079.11
  4. Step 4: Simplify right side
    267,481.10x = 26,110,884,839.29
  5. Step 5: Solve for x
    x = 26,110,884,839.29/267,481.10
  6. Step 6: Final answer
    x = 97,617.68

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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.