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Finding the Fourth Proportional to 108,408.62, 162,682.35 and 58,523.46

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Solution

The fourth proportional to 108,408.62, 162,682.35 and 58,523.46 is: 87,822.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,408.62 : 162,682.35 = 58,523.46 : x
  2. Step 2: Convert to fraction form
    108,408.62/162,682.35 = 58,523.46/x
  3. Step 3: Cross multiply
    108,408.62x = 162,682.35 × 58,523.46
  4. Step 4: Simplify right side
    108,408.62x = 9,520,734,002.93
  5. Step 5: Solve for x
    x = 9,520,734,002.93/108,408.62
  6. Step 6: Final answer
    x = 87,822.66

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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.