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Finding the Fourth Proportional to 251,351.28, 377,023.56 and 61,813.28

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Solution

The fourth proportional to 251,351.28, 377,023.56 and 61,813.28 is: 92,719.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,351.28 : 377,023.56 = 61,813.28 : x
  2. Step 2: Convert to fraction form
    251,351.28/377,023.56 = 61,813.28/x
  3. Step 3: Cross multiply
    251,351.28x = 377,023.56 × 61,813.28
  4. Step 4: Simplify right side
    251,351.28x = 23,305,062,880.88
  5. Step 5: Solve for x
    x = 23,305,062,880.88/251,351.28
  6. Step 6: Final answer
    x = 92,719.09

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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.