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Finding the Fourth Proportional to 251,750.57, 377,791.49 and 118,668.38

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Solution

The fourth proportional to 251,750.57, 377,791.49 and 118,668.38 is: 178,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,750.57 : 377,791.49 = 118,668.38 : x
  2. Step 2: Convert to fraction form
    251,750.57/377,791.49 = 118,668.38/x
  3. Step 3: Cross multiply
    251,750.57x = 377,791.49 × 118,668.38
  4. Step 4: Simplify right side
    251,750.57x = 44,831,902,503.80
  5. Step 5: Solve for x
    x = 44,831,902,503.80/251,750.57
  6. Step 6: Final answer
    x = 178,080.64

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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.