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Finding the Fourth Proportional to 146.88, 202.59 and 114.30

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Solution

The fourth proportional to 146.88, 202.59 and 114.30 is: 157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.88 : 202.59 = 114.30 : x
  2. Step 2: Convert to fraction form
    146.88/202.59 = 114.30/x
  3. Step 3: Cross multiply
    146.88x = 202.59 × 114.30
  4. Step 4: Simplify right side
    146.88x = 23,156.04
  5. Step 5: Solve for x
    x = 23,156.04/146.88
  6. Step 6: Final answer
    x = 157.65

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