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Finding the Fourth Proportional to 156.06, 233.70 and 110.22

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Solution

The fourth proportional to 156.06, 233.70 and 110.22 is: 165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156.06 : 233.70 = 110.22 : x
  2. Step 2: Convert to fraction form
    156.06/233.70 = 110.22/x
  3. Step 3: Cross multiply
    156.06x = 233.70 × 110.22
  4. Step 4: Simplify right side
    156.06x = 25,758.41
  5. Step 5: Solve for x
    x = 25,758.41/156.06
  6. Step 6: Final answer
    x = 165.05

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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.