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Finding the Fourth Proportional to 160.15, 240.03 and 106.06

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Solution

The fourth proportional to 160.15, 240.03 and 106.06 is: 158.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.15 : 240.03 = 106.06 : x
  2. Step 2: Convert to fraction form
    160.15/240.03 = 106.06/x
  3. Step 3: Cross multiply
    160.15x = 240.03 × 106.06
  4. Step 4: Simplify right side
    160.15x = 25,457.58
  5. Step 5: Solve for x
    x = 25,457.58/160.15
  6. Step 6: Final answer
    x = 158.96

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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.