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Finding the Fourth Proportional to 116.89, 175.40 and 44.77

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Solution

The fourth proportional to 116.89, 175.40 and 44.77 is: 67.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.89 : 175.40 = 44.77 : x
  2. Step 2: Convert to fraction form
    116.89/175.40 = 44.77/x
  3. Step 3: Cross multiply
    116.89x = 175.40 × 44.77
  4. Step 4: Simplify right side
    116.89x = 7,852.43
  5. Step 5: Solve for x
    x = 7,852.43/116.89
  6. Step 6: Final answer
    x = 67.18

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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.