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Finding the Fourth Proportional to 45,805.98, 68,696.67 and 31,105.24

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Solution

The fourth proportional to 45,805.98, 68,696.67 and 31,105.24 is: 46,649.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,805.98 : 68,696.67 = 31,105.24 : x
  2. Step 2: Convert to fraction form
    45,805.98/68,696.67 = 31,105.24/x
  3. Step 3: Cross multiply
    45,805.98x = 68,696.67 × 31,105.24
  4. Step 4: Simplify right side
    45,805.98x = 2,136,826,407.55
  5. Step 5: Solve for x
    x = 2,136,826,407.55/45,805.98
  6. Step 6: Final answer
    x = 46,649.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.