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Finding the Fourth Proportional to 208,263, 312,395.52 and 50,491.44

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Solution

The fourth proportional to 208,263, 312,395.52 and 50,491.44 is: 75,737.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,263 : 312,395.52 = 50,491.44 : x
  2. Step 2: Convert to fraction form
    208,263/312,395.52 = 50,491.44/x
  3. Step 3: Cross multiply
    208,263x = 312,395.52 × 50,491.44
  4. Step 4: Simplify right side
    208,263x = 15,773,299,654.35
  5. Step 5: Solve for x
    x = 15,773,299,654.35/208,263
  6. Step 6: Final answer
    x = 75,737.41

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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.