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Finding the Fourth Proportional to 68,472.78, 94,508.22 and 44,557.94

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Solution

The fourth proportional to 68,472.78, 94,508.22 and 44,557.94 is: 61,500.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,472.78 : 94,508.22 = 44,557.94 : x
  2. Step 2: Convert to fraction form
    68,472.78/94,508.22 = 44,557.94/x
  3. Step 3: Cross multiply
    68,472.78x = 94,508.22 × 44,557.94
  4. Step 4: Simplify right side
    68,472.78x = 4,211,091,596.27
  5. Step 5: Solve for x
    x = 4,211,091,596.27/68,472.78
  6. Step 6: Final answer
    x = 61,500.23

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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.