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Finding the Fourth Proportional to 107.08, 160.66 and 46.22

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Solution

The fourth proportional to 107.08, 160.66 and 46.22 is: 69.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.08 : 160.66 = 46.22 : x
  2. Step 2: Convert to fraction form
    107.08/160.66 = 46.22/x
  3. Step 3: Cross multiply
    107.08x = 160.66 × 46.22
  4. Step 4: Simplify right side
    107.08x = 7,425.71
  5. Step 5: Solve for x
    x = 7,425.71/107.08
  6. Step 6: Final answer
    x = 69.35

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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.