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Finding the Fourth Proportional to 251,986.52, 377,970.32 and 62,447.44

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Solution

The fourth proportional to 251,986.52, 377,970.32 and 62,447.44 is: 93,668.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,986.52 : 377,970.32 = 62,447.44 : x
  2. Step 2: Convert to fraction form
    251,986.52/377,970.32 = 62,447.44/x
  3. Step 3: Cross multiply
    251,986.52x = 377,970.32 × 62,447.44
  4. Step 4: Simplify right side
    251,986.52x = 23,603,278,879.98
  5. Step 5: Solve for x
    x = 23,603,278,879.98/251,986.52
  6. Step 6: Final answer
    x = 93,668.82

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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.