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Finding the Fourth Proportional to 62,408.77, 86,123.73 and 34,114.66

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Solution

The fourth proportional to 62,408.77, 86,123.73 and 34,114.66 is: 47,078.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,408.77 : 86,123.73 = 34,114.66 : x
  2. Step 2: Convert to fraction form
    62,408.77/86,123.73 = 34,114.66/x
  3. Step 3: Cross multiply
    62,408.77x = 86,123.73 × 34,114.66
  4. Step 4: Simplify right side
    62,408.77x = 2,938,081,766.88
  5. Step 5: Solve for x
    x = 2,938,081,766.88/62,408.77
  6. Step 6: Final answer
    x = 47,078.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.