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Finding the Fourth Proportional to 251,349.27, 377,020.56 and 61,811.28

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Solution

The fourth proportional to 251,349.27, 377,020.56 and 61,811.28 is: 92,716.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,349.27 : 377,020.56 = 61,811.28 : x
  2. Step 2: Convert to fraction form
    251,349.27/377,020.56 = 61,811.28/x
  3. Step 3: Cross multiply
    251,349.27x = 377,020.56 × 61,811.28
  4. Step 4: Simplify right side
    251,349.27x = 23,304,123,399.92
  5. Step 5: Solve for x
    x = 23,304,123,399.92/251,349.27
  6. Step 6: Final answer
    x = 92,716.10

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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.