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Finding the Fourth Proportional to 68,776.95, 103,167.87 and 22,023.75

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Solution

The fourth proportional to 68,776.95, 103,167.87 and 22,023.75 is: 33,036.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,776.95 : 103,167.87 = 22,023.75 : x
  2. Step 2: Convert to fraction form
    68,776.95/103,167.87 = 22,023.75/x
  3. Step 3: Cross multiply
    68,776.95x = 103,167.87 × 22,023.75
  4. Step 4: Simplify right side
    68,776.95x = 2,272,143,376.91
  5. Step 5: Solve for x
    x = 2,272,143,376.91/68,776.95
  6. Step 6: Final answer
    x = 33,036.41

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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.