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Finding the Fourth Proportional to 45,195.88, 67,788.36 and 17,103.88

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Solution

The fourth proportional to 45,195.88, 67,788.36 and 17,103.88 is: 25,653.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,195.88 : 67,788.36 = 17,103.88 : x
  2. Step 2: Convert to fraction form
    45,195.88/67,788.36 = 17,103.88/x
  3. Step 3: Cross multiply
    45,195.88x = 67,788.36 × 17,103.88
  4. Step 4: Simplify right side
    45,195.88x = 1,159,443,974.84
  5. Step 5: Solve for x
    x = 1,159,443,974.84/45,195.88
  6. Step 6: Final answer
    x = 25,653.75

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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.