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Finding the Fourth Proportional to 267,060.92, 400,590.14 and 109,289.39

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Solution

The fourth proportional to 267,060.92, 400,590.14 and 109,289.39 is: 163,933.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,060.92 : 400,590.14 = 109,289.39 : x
  2. Step 2: Convert to fraction form
    267,060.92/400,590.14 = 109,289.39/x
  3. Step 3: Cross multiply
    267,060.92x = 400,590.14 × 109,289.39
  4. Step 4: Simplify right side
    267,060.92x = 43,780,249,491.22
  5. Step 5: Solve for x
    x = 43,780,249,491.22/267,060.92
  6. Step 6: Final answer
    x = 163,933.57

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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.