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Finding the Fourth Proportional to 267,098.04, 400,645.85 and 109,326.51

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Solution

The fourth proportional to 267,098.04, 400,645.85 and 109,326.51 is: 163,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,098.04 : 400,645.85 = 109,326.51 : x
  2. Step 2: Convert to fraction form
    267,098.04/400,645.85 = 109,326.51/x
  3. Step 3: Cross multiply
    267,098.04x = 400,645.85 × 109,326.51
  4. Step 4: Simplify right side
    267,098.04x = 43,801,211,979.85
  5. Step 5: Solve for x
    x = 43,801,211,979.85/267,098.04
  6. Step 6: Final answer
    x = 163,989.27

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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.