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Finding the Fourth Proportional to 250,607.52, 375,786.91 and 79,806.97

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Solution

The fourth proportional to 250,607.52, 375,786.91 and 79,806.97 is: 119,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,607.52 : 375,786.91 = 79,806.97 : x
  2. Step 2: Convert to fraction form
    250,607.52/375,786.91 = 79,806.97/x
  3. Step 3: Cross multiply
    250,607.52x = 375,786.91 × 79,806.97
  4. Step 4: Simplify right side
    250,607.52x = 29,990,415,222.26
  5. Step 5: Solve for x
    x = 29,990,415,222.26/250,607.52
  6. Step 6: Final answer
    x = 119,670.85

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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.