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Finding the Fourth Proportional to 73,554.84, 110,299.14 and 20,952.36

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Solution

The fourth proportional to 73,554.84, 110,299.14 and 20,952.36 is: 31,419.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,554.84 : 110,299.14 = 20,952.36 : x
  2. Step 2: Convert to fraction form
    73,554.84/110,299.14 = 20,952.36/x
  3. Step 3: Cross multiply
    73,554.84x = 110,299.14 × 20,952.36
  4. Step 4: Simplify right side
    73,554.84x = 2,311,027,288.97
  5. Step 5: Solve for x
    x = 2,311,027,288.97/73,554.84
  6. Step 6: Final answer
    x = 31,419.11

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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.