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Finding the Fourth Proportional to 160.11, 240.27 and 99.06

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Solution

The fourth proportional to 160.11, 240.27 and 99.06 is: 148.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.11 : 240.27 = 99.06 : x
  2. Step 2: Convert to fraction form
    160.11/240.27 = 99.06/x
  3. Step 3: Cross multiply
    160.11x = 240.27 × 99.06
  4. Step 4: Simplify right side
    160.11x = 23,801.15
  5. Step 5: Solve for x
    x = 23,801.15/160.11
  6. Step 6: Final answer
    x = 148.65

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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.