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Finding the Fourth Proportional to 227,756.60, 341,942.70 and 133,083.80

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Solution

The fourth proportional to 227,756.60, 341,942.70 and 133,083.80 is: 199,805.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,756.60 : 341,942.70 = 133,083.80 : x
  2. Step 2: Convert to fraction form
    227,756.60/341,942.70 = 133,083.80/x
  3. Step 3: Cross multiply
    227,756.60x = 341,942.70 × 133,083.80
  4. Step 4: Simplify right side
    227,756.60x = 45,507,033,898.26
  5. Step 5: Solve for x
    x = 45,507,033,898.26/227,756.60
  6. Step 6: Final answer
    x = 199,805.56

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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.