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Finding the Fourth Proportional to 362.17, 543.25 and 88.26

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Solution

The fourth proportional to 362.17, 543.25 and 88.26 is: 132.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.17 : 543.25 = 88.26 : x
  2. Step 2: Convert to fraction form
    362.17/543.25 = 88.26/x
  3. Step 3: Cross multiply
    362.17x = 543.25 × 88.26
  4. Step 4: Simplify right side
    362.17x = 47,947.36
  5. Step 5: Solve for x
    x = 47,947.36/362.17
  6. Step 6: Final answer
    x = 132.39

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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.