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Finding the Fourth Proportional to 89,751.51, 134,622.41 and 27,422.01

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Solution

The fourth proportional to 89,751.51, 134,622.41 and 27,422.01 is: 41,131.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,751.51 : 134,622.41 = 27,422.01 : x
  2. Step 2: Convert to fraction form
    89,751.51/134,622.41 = 27,422.01/x
  3. Step 3: Cross multiply
    89,751.51x = 134,622.41 × 27,422.01
  4. Step 4: Simplify right side
    89,751.51x = 3,691,616,936.13
  5. Step 5: Solve for x
    x = 3,691,616,936.13/89,751.51
  6. Step 6: Final answer
    x = 41,131.53

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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.