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Finding the Fourth Proportional to 267,431.68, 401,150.40 and 109,550.08

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Solution

The fourth proportional to 267,431.68, 401,150.40 and 109,550.08 is: 164,326.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,431.68 : 401,150.40 = 109,550.08 : x
  2. Step 2: Convert to fraction form
    267,431.68/401,150.40 = 109,550.08/x
  3. Step 3: Cross multiply
    267,431.68x = 401,150.40 × 109,550.08
  4. Step 4: Simplify right side
    267,431.68x = 43,946,058,412.03
  5. Step 5: Solve for x
    x = 43,946,058,412.03/267,431.68
  6. Step 6: Final answer
    x = 164,326.30

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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.