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Finding the Fourth Proportional to 231,196.80, 346,827.60 and 73,408.80

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Solution

The fourth proportional to 231,196.80, 346,827.60 and 73,408.80 is: 110,123.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,196.80 : 346,827.60 = 73,408.80 : x
  2. Step 2: Convert to fraction form
    231,196.80/346,827.60 = 73,408.80/x
  3. Step 3: Cross multiply
    231,196.80x = 346,827.60 × 73,408.80
  4. Step 4: Simplify right side
    231,196.80x = 25,460,197,922.88
  5. Step 5: Solve for x
    x = 25,460,197,922.88/231,196.80
  6. Step 6: Final answer
    x = 110,123.49

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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.