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Finding the Fourth Proportional to 160.16, 240.60 and 155.48

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Solution

The fourth proportional to 160.16, 240.60 and 155.48 is: 233.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.16 : 240.60 = 155.48 : x
  2. Step 2: Convert to fraction form
    160.16/240.60 = 155.48/x
  3. Step 3: Cross multiply
    160.16x = 240.60 × 155.48
  4. Step 4: Simplify right side
    160.16x = 37,408.49
  5. Step 5: Solve for x
    x = 37,408.49/160.16
  6. Step 6: Final answer
    x = 233.57

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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.