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Finding the Fourth Proportional to 107.16, 160.77 and 35.02

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Solution

The fourth proportional to 107.16, 160.77 and 35.02 is: 52.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.16 : 160.77 = 35.02 : x
  2. Step 2: Convert to fraction form
    107.16/160.77 = 35.02/x
  3. Step 3: Cross multiply
    107.16x = 160.77 × 35.02
  4. Step 4: Simplify right side
    107.16x = 5,630.17
  5. Step 5: Solve for x
    x = 5,630.17/107.16
  6. Step 6: Final answer
    x = 52.54

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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.