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Finding the Fourth Proportional to 177,600.99, 265,105.89 and 155,180.60

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Solution

The fourth proportional to 177,600.99, 265,105.89 and 155,180.60 is: 231,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,600.99 : 265,105.89 = 155,180.60 : x
  2. Step 2: Convert to fraction form
    177,600.99/265,105.89 = 155,180.60/x
  3. Step 3: Cross multiply
    177,600.99x = 265,105.89 × 155,180.60
  4. Step 4: Simplify right side
    177,600.99x = 41,139,289,748.20
  5. Step 5: Solve for x
    x = 41,139,289,748.20/177,600.99
  6. Step 6: Final answer
    x = 231,638.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.