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Finding the Fourth Proportional to 117.03, 175.50 and 35.87

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Solution

The fourth proportional to 117.03, 175.50 and 35.87 is: 53.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.03 : 175.50 = 35.87 : x
  2. Step 2: Convert to fraction form
    117.03/175.50 = 35.87/x
  3. Step 3: Cross multiply
    117.03x = 175.50 × 35.87
  4. Step 4: Simplify right side
    117.03x = 6,294.31
  5. Step 5: Solve for x
    x = 6,294.31/117.03
  6. Step 6: Final answer
    x = 53.78

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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.