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Finding the Fourth Proportional to 89,907.12, 134,857.44 and 27,576

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Solution

The fourth proportional to 89,907.12, 134,857.44 and 27,576 is: 41,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,907.12 : 134,857.44 = 27,576 : x
  2. Step 2: Convert to fraction form
    89,907.12/134,857.44 = 27,576/x
  3. Step 3: Cross multiply
    89,907.12x = 134,857.44 × 27,576
  4. Step 4: Simplify right side
    89,907.12x = 3,718,828,765.44
  5. Step 5: Solve for x
    x = 3,718,828,765.44/89,907.12
  6. Step 6: Final answer
    x = 41,363.01

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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.