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Finding the Fourth Proportional to 177,453.90, 266,180.85 and 107,469.90

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Solution

The fourth proportional to 177,453.90, 266,180.85 and 107,469.90 is: 161,204.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,453.90 : 266,180.85 = 107,469.90 : x
  2. Step 2: Convert to fraction form
    177,453.90/266,180.85 = 107,469.90/x
  3. Step 3: Cross multiply
    177,453.90x = 266,180.85 × 107,469.90
  4. Step 4: Simplify right side
    177,453.90x = 28,606,429,331.42
  5. Step 5: Solve for x
    x = 28,606,429,331.42/177,453.90
  6. Step 6: Final answer
    x = 161,204.85

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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.