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Finding the Fourth Proportional to 61,358.42, 92,105.97 and 31,768.31

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Solution

The fourth proportional to 61,358.42, 92,105.97 and 31,768.31 is: 47,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,358.42 : 92,105.97 = 31,768.31 : x
  2. Step 2: Convert to fraction form
    61,358.42/92,105.97 = 31,768.31/x
  3. Step 3: Cross multiply
    61,358.42x = 92,105.97 × 31,768.31
  4. Step 4: Simplify right side
    61,358.42x = 2,926,051,238.08
  5. Step 5: Solve for x
    x = 2,926,051,238.08/61,358.42
  6. Step 6: Final answer
    x = 47,687.85

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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.