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Finding the Fourth Proportional to 68,566.59, 102,797.82 and 47,450.52

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Solution

The fourth proportional to 68,566.59, 102,797.82 and 47,450.52 is: 71,139.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,566.59 : 102,797.82 = 47,450.52 : x
  2. Step 2: Convert to fraction form
    68,566.59/102,797.82 = 47,450.52/x
  3. Step 3: Cross multiply
    68,566.59x = 102,797.82 × 47,450.52
  4. Step 4: Simplify right side
    68,566.59x = 4,877,810,013.87
  5. Step 5: Solve for x
    x = 4,877,810,013.87/68,566.59
  6. Step 6: Final answer
    x = 71,139.75

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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.