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Finding the Fourth Proportional to 267,485.33, 401,134.94 and 107,513.77

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Solution

The fourth proportional to 267,485.33, 401,134.94 and 107,513.77 is: 161,233.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,485.33 : 401,134.94 = 107,513.77 : x
  2. Step 2: Convert to fraction form
    267,485.33/401,134.94 = 107,513.77/x
  3. Step 3: Cross multiply
    267,485.33x = 401,134.94 × 107,513.77
  4. Step 4: Simplify right side
    267,485.33x = 43,127,528,540.89
  5. Step 5: Solve for x
    x = 43,127,528,540.89/267,485.33
  6. Step 6: Final answer
    x = 161,233.25

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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.