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Finding the Fourth Proportional to 248,296.23, 372,408.51 and 79,794.57

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Solution

The fourth proportional to 248,296.23, 372,408.51 and 79,794.57 is: 119,680.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,296.23 : 372,408.51 = 79,794.57 : x
  2. Step 2: Convert to fraction form
    248,296.23/372,408.51 = 79,794.57/x
  3. Step 3: Cross multiply
    248,296.23x = 372,408.51 × 79,794.57
  4. Step 4: Simplify right side
    248,296.23x = 29,716,176,919.79
  5. Step 5: Solve for x
    x = 29,716,176,919.79/248,296.23
  6. Step 6: Final answer
    x = 119,680.34

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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.