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Finding the Fourth Proportional to 117.17, 175.83 and 59.46

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Solution

The fourth proportional to 117.17, 175.83 and 59.46 is: 89.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.17 : 175.83 = 59.46 : x
  2. Step 2: Convert to fraction form
    117.17/175.83 = 59.46/x
  3. Step 3: Cross multiply
    117.17x = 175.83 × 59.46
  4. Step 4: Simplify right side
    117.17x = 10,453.97
  5. Step 5: Solve for x
    x = 10,453.97/117.17
  6. Step 6: Final answer
    x = 89.22

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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.