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Finding the Fourth Proportional to 267,020.56, 400,668.90 and 117,365.92

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Solution

The fourth proportional to 267,020.56, 400,668.90 and 117,365.92 is: 176,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,020.56 : 400,668.90 = 117,365.92 : x
  2. Step 2: Convert to fraction form
    267,020.56/400,668.90 = 117,365.92/x
  3. Step 3: Cross multiply
    267,020.56x = 400,668.90 × 117,365.92
  4. Step 4: Simplify right side
    267,020.56x = 47,024,874,063.89
  5. Step 5: Solve for x
    x = 47,024,874,063.89/267,020.56
  6. Step 6: Final answer
    x = 176,109.56

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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.