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Finding the Fourth Proportional to 68,813.98, 94,922.94 and 43,279.81

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Solution

The fourth proportional to 68,813.98, 94,922.94 and 43,279.81 is: 59,700.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,813.98 : 94,922.94 = 43,279.81 : x
  2. Step 2: Convert to fraction form
    68,813.98/94,922.94 = 43,279.81/x
  3. Step 3: Cross multiply
    68,813.98x = 94,922.94 × 43,279.81
  4. Step 4: Simplify right side
    68,813.98x = 4,108,246,807.84
  5. Step 5: Solve for x
    x = 4,108,246,807.84/68,813.98
  6. Step 6: Final answer
    x = 59,700.76

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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.