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Finding the Fourth Proportional to 81,774.99, 122,662.17 and 22,610.52

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Solution

The fourth proportional to 81,774.99, 122,662.17 and 22,610.52 is: 33,915.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,774.99 : 122,662.17 = 22,610.52 : x
  2. Step 2: Convert to fraction form
    81,774.99/122,662.17 = 22,610.52/x
  3. Step 3: Cross multiply
    81,774.99x = 122,662.17 × 22,610.52
  4. Step 4: Simplify right side
    81,774.99x = 2,773,455,448.03
  5. Step 5: Solve for x
    x = 2,773,455,448.03/81,774.99
  6. Step 6: Final answer
    x = 33,915.69

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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.