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Finding the Fourth Proportional to 251,499.30, 377,249.07 and 64,510.86

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Solution

The fourth proportional to 251,499.30, 377,249.07 and 64,510.86 is: 96,766.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,499.30 : 377,249.07 = 64,510.86 : x
  2. Step 2: Convert to fraction form
    251,499.30/377,249.07 = 64,510.86/x
  3. Step 3: Cross multiply
    251,499.30x = 377,249.07 × 64,510.86
  4. Step 4: Simplify right side
    251,499.30x = 24,336,661,939.90
  5. Step 5: Solve for x
    x = 24,336,661,939.90/251,499.30
  6. Step 6: Final answer
    x = 96,766.32

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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.