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Finding the Fourth Proportional to 146.56, 202.50 and 109.96

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Solution

The fourth proportional to 146.56, 202.50 and 109.96 is: 151.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.56 : 202.50 = 109.96 : x
  2. Step 2: Convert to fraction form
    146.56/202.50 = 109.96/x
  3. Step 3: Cross multiply
    146.56x = 202.50 × 109.96
  4. Step 4: Simplify right side
    146.56x = 22,266.90
  5. Step 5: Solve for x
    x = 22,266.90/146.56
  6. Step 6: Final answer
    x = 151.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.