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Finding the Fourth Proportional to 267,610.96, 401,431.56 and 117,921.16

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Solution

The fourth proportional to 267,610.96, 401,431.56 and 117,921.16 is: 176,888.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,610.96 : 401,431.56 = 117,921.16 : x
  2. Step 2: Convert to fraction form
    267,610.96/401,431.56 = 117,921.16/x
  3. Step 3: Cross multiply
    267,610.96x = 401,431.56 × 117,921.16
  4. Step 4: Simplify right side
    267,610.96x = 47,337,275,215.81
  5. Step 5: Solve for x
    x = 47,337,275,215.81/267,610.96
  6. Step 6: Final answer
    x = 176,888.40

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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.