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Finding the Fourth Proportional to 68,462.82, 94,344.10 and 52,348.37

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Solution

The fourth proportional to 68,462.82, 94,344.10 and 52,348.37 is: 72,137.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,462.82 : 94,344.10 = 52,348.37 : x
  2. Step 2: Convert to fraction form
    68,462.82/94,344.10 = 52,348.37/x
  3. Step 3: Cross multiply
    68,462.82x = 94,344.10 × 52,348.37
  4. Step 4: Simplify right side
    68,462.82x = 4,938,759,854.12
  5. Step 5: Solve for x
    x = 4,938,759,854.12/68,462.82
  6. Step 6: Final answer
    x = 72,137.84

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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.