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Finding the Fourth Proportional to 146.83, 202.59 and 84.63

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Solution

The fourth proportional to 146.83, 202.59 and 84.63 is: 116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.83 : 202.59 = 84.63 : x
  2. Step 2: Convert to fraction form
    146.83/202.59 = 84.63/x
  3. Step 3: Cross multiply
    146.83x = 202.59 × 84.63
  4. Step 4: Simplify right side
    146.83x = 17,145.19
  5. Step 5: Solve for x
    x = 17,145.19/146.83
  6. Step 6: Final answer
    x = 116.77

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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.