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Finding the Fourth Proportional to 68,846.66, 103,267.82 and 19,598.66

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Solution

The fourth proportional to 68,846.66, 103,267.82 and 19,598.66 is: 29,397.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,846.66 : 103,267.82 = 19,598.66 : x
  2. Step 2: Convert to fraction form
    68,846.66/103,267.82 = 19,598.66/x
  3. Step 3: Cross multiply
    68,846.66x = 103,267.82 × 19,598.66
  4. Step 4: Simplify right side
    68,846.66x = 2,023,910,893.12
  5. Step 5: Solve for x
    x = 2,023,910,893.12/68,846.66
  6. Step 6: Final answer
    x = 29,397.37

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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.