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Finding the Fourth Proportional to 116.50, 160.44 and 113.33

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Solution

The fourth proportional to 116.50, 160.44 and 113.33 is: 156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.50 : 160.44 = 113.33 : x
  2. Step 2: Convert to fraction form
    116.50/160.44 = 113.33/x
  3. Step 3: Cross multiply
    116.50x = 160.44 × 113.33
  4. Step 4: Simplify right side
    116.50x = 18,182.67
  5. Step 5: Solve for x
    x = 18,182.67/116.50
  6. Step 6: Final answer
    x = 156.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.