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Finding the Fourth Proportional to 107.06, 160.50 and 55.67

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Solution

The fourth proportional to 107.06, 160.50 and 55.67 is: 83.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.06 : 160.50 = 55.67 : x
  2. Step 2: Convert to fraction form
    107.06/160.50 = 55.67/x
  3. Step 3: Cross multiply
    107.06x = 160.50 × 55.67
  4. Step 4: Simplify right side
    107.06x = 8,935.04
  5. Step 5: Solve for x
    x = 8,935.04/107.06
  6. Step 6: Final answer
    x = 83.46

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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.