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Finding the Fourth Proportional to 89,805, 134,712.94 and 27,476.04

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Solution

The fourth proportional to 89,805, 134,712.94 and 27,476.04 is: 41,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,805 : 134,712.94 = 27,476.04 : x
  2. Step 2: Convert to fraction form
    89,805/134,712.94 = 27,476.04/x
  3. Step 3: Cross multiply
    89,805x = 134,712.94 × 27,476.04
  4. Step 4: Simplify right side
    89,805x = 3,701,378,127.96
  5. Step 5: Solve for x
    x = 3,701,378,127.96/89,805
  6. Step 6: Final answer
    x = 41,215.72

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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.