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Finding the Fourth Proportional to 251,796.47, 377,556.66 and 99,839.66

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Solution

The fourth proportional to 251,796.47, 377,556.66 and 99,839.66 is: 149,704.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,796.47 : 377,556.66 = 99,839.66 : x
  2. Step 2: Convert to fraction form
    251,796.47/377,556.66 = 99,839.66/x
  3. Step 3: Cross multiply
    251,796.47x = 377,556.66 × 99,839.66
  4. Step 4: Simplify right side
    251,796.47x = 37,695,126,677.35
  5. Step 5: Solve for x
    x = 37,695,126,677.35/251,796.47
  6. Step 6: Final answer
    x = 149,704.75

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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.