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Finding the Fourth Proportional to 107.95, 161.93 and 62.26

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Solution

The fourth proportional to 107.95, 161.93 and 62.26 is: 93.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.95 : 161.93 = 62.26 : x
  2. Step 2: Convert to fraction form
    107.95/161.93 = 62.26/x
  3. Step 3: Cross multiply
    107.95x = 161.93 × 62.26
  4. Step 4: Simplify right side
    107.95x = 10,081.76
  5. Step 5: Solve for x
    x = 10,081.76/107.95
  6. Step 6: Final answer
    x = 93.39

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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.