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Finding the Fourth Proportional to 251,791.36, 377,756.24 and 74,298.38

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Solution

The fourth proportional to 251,791.36, 377,756.24 and 74,298.38 is: 111,467.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,791.36 : 377,756.24 = 74,298.38 : x
  2. Step 2: Convert to fraction form
    251,791.36/377,756.24 = 74,298.38/x
  3. Step 3: Cross multiply
    251,791.36x = 377,756.24 × 74,298.38
  4. Step 4: Simplify right side
    251,791.36x = 28,066,674,406.62
  5. Step 5: Solve for x
    x = 28,066,674,406.62/251,791.36
  6. Step 6: Final answer
    x = 111,467.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.