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Finding the Fourth Proportional to 79.25, 118.62 and 59.00

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Solution

The fourth proportional to 79.25, 118.62 and 59.00 is: 88.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79.25 : 118.62 = 59.00 : x
  2. Step 2: Convert to fraction form
    79.25/118.62 = 59.00/x
  3. Step 3: Cross multiply
    79.25x = 118.62 × 59.00
  4. Step 4: Simplify right side
    79.25x = 6,997.99
  5. Step 5: Solve for x
    x = 6,997.99/79.25
  6. Step 6: Final answer
    x = 88.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.