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Finding the Fourth Proportional to 61,491.23, 92,236.87 and 47,471.73

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Solution

The fourth proportional to 61,491.23, 92,236.87 and 47,471.73 is: 71,207.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,491.23 : 92,236.87 = 47,471.73 : x
  2. Step 2: Convert to fraction form
    61,491.23/92,236.87 = 47,471.73/x
  3. Step 3: Cross multiply
    61,491.23x = 92,236.87 × 47,471.73
  4. Step 4: Simplify right side
    61,491.23x = 4,378,643,327.50
  5. Step 5: Solve for x
    x = 4,378,643,327.50/61,491.23
  6. Step 6: Final answer
    x = 71,207.61

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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.