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Finding the Fourth Proportional to 68,466.20, 102,776.10 and 52,952.60

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Solution

The fourth proportional to 68,466.20, 102,776.10 and 52,952.60 is: 79,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,466.20 : 102,776.10 = 52,952.60 : x
  2. Step 2: Convert to fraction form
    68,466.20/102,776.10 = 52,952.60/x
  3. Step 3: Cross multiply
    68,466.20x = 102,776.10 × 52,952.60
  4. Step 4: Simplify right side
    68,466.20x = 5,442,261,712.86
  5. Step 5: Solve for x
    x = 5,442,261,712.86/68,466.20
  6. Step 6: Final answer
    x = 79,488.30

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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.