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Finding the Fourth Proportional to 65,171.36, 89,936.16 and 35,363.36

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Solution

The fourth proportional to 65,171.36, 89,936.16 and 35,363.36 is: 48,801.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,171.36 : 89,936.16 = 35,363.36 : x
  2. Step 2: Convert to fraction form
    65,171.36/89,936.16 = 35,363.36/x
  3. Step 3: Cross multiply
    65,171.36x = 89,936.16 × 35,363.36
  4. Step 4: Simplify right side
    65,171.36x = 3,180,444,803.10
  5. Step 5: Solve for x
    x = 3,180,444,803.10/65,171.36
  6. Step 6: Final answer
    x = 48,801.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.