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Finding the Fourth Proportional to 160.94, 240.12 and 148.03

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Solution

The fourth proportional to 160.94, 240.12 and 148.03 is: 220.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.94 : 240.12 = 148.03 : x
  2. Step 2: Convert to fraction form
    160.94/240.12 = 148.03/x
  3. Step 3: Cross multiply
    160.94x = 240.12 × 148.03
  4. Step 4: Simplify right side
    160.94x = 35,544.96
  5. Step 5: Solve for x
    x = 35,544.96/160.94
  6. Step 6: Final answer
    x = 220.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.