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Finding the Fourth Proportional to 208,296, 312,497.28 and 60,552

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Solution

The fourth proportional to 208,296, 312,497.28 and 60,552 is: 90,843.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,296 : 312,497.28 = 60,552 : x
  2. Step 2: Convert to fraction form
    208,296/312,497.28 = 60,552/x
  3. Step 3: Cross multiply
    208,296x = 312,497.28 × 60,552
  4. Step 4: Simplify right side
    208,296x = 18,922,335,298.56
  5. Step 5: Solve for x
    x = 18,922,335,298.56/208,296
  6. Step 6: Final answer
    x = 90,843.49

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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.