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Finding the Fourth Proportional to 160.48, 240.48 and 106.27

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Solution

The fourth proportional to 160.48, 240.48 and 106.27 is: 159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.48 : 240.48 = 106.27 : x
  2. Step 2: Convert to fraction form
    160.48/240.48 = 106.27/x
  3. Step 3: Cross multiply
    160.48x = 240.48 × 106.27
  4. Step 4: Simplify right side
    160.48x = 25,555.81
  5. Step 5: Solve for x
    x = 25,555.81/160.48
  6. Step 6: Final answer
    x = 159.25

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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.