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Finding the Fourth Proportional to 117.37, 176.03 and 35.09

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Solution

The fourth proportional to 117.37, 176.03 and 35.09 is: 52.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.37 : 176.03 = 35.09 : x
  2. Step 2: Convert to fraction form
    117.37/176.03 = 35.09/x
  3. Step 3: Cross multiply
    117.37x = 176.03 × 35.09
  4. Step 4: Simplify right side
    117.37x = 6,176.89
  5. Step 5: Solve for x
    x = 6,176.89/117.37
  6. Step 6: Final answer
    x = 52.63

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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.