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Finding the Fourth Proportional to 160.01, 220.83 and 93.63

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Solution

The fourth proportional to 160.01, 220.83 and 93.63 is: 129.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.01 : 220.83 = 93.63 : x
  2. Step 2: Convert to fraction form
    160.01/220.83 = 93.63/x
  3. Step 3: Cross multiply
    160.01x = 220.83 × 93.63
  4. Step 4: Simplify right side
    160.01x = 20,676.31
  5. Step 5: Solve for x
    x = 20,676.31/160.01
  6. Step 6: Final answer
    x = 129.22

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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.