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Finding the Fourth Proportional to 68,466.94, 94,605.10 and 52,687.73

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Solution

The fourth proportional to 68,466.94, 94,605.10 and 52,687.73 is: 72,801.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,466.94 : 94,605.10 = 52,687.73 : x
  2. Step 2: Convert to fraction form
    68,466.94/94,605.10 = 52,687.73/x
  3. Step 3: Cross multiply
    68,466.94x = 94,605.10 × 52,687.73
  4. Step 4: Simplify right side
    68,466.94x = 4,984,528,070.22
  5. Step 5: Solve for x
    x = 4,984,528,070.22/68,466.94
  6. Step 6: Final answer
    x = 72,801.97

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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.