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Finding the Fourth Proportional to 107.23, 160.88 and 46.36

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Solution

The fourth proportional to 107.23, 160.88 and 46.36 is: 69.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.23 : 160.88 = 46.36 : x
  2. Step 2: Convert to fraction form
    107.23/160.88 = 46.36/x
  3. Step 3: Cross multiply
    107.23x = 160.88 × 46.36
  4. Step 4: Simplify right side
    107.23x = 7,458.40
  5. Step 5: Solve for x
    x = 7,458.40/107.23
  6. Step 6: Final answer
    x = 69.56

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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.