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Finding the Fourth Proportional to 104.98, 157.62 and 59.42

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Solution

The fourth proportional to 104.98, 157.62 and 59.42 is: 89.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.98 : 157.62 = 59.42 : x
  2. Step 2: Convert to fraction form
    104.98/157.62 = 59.42/x
  3. Step 3: Cross multiply
    104.98x = 157.62 × 59.42
  4. Step 4: Simplify right side
    104.98x = 9,364.70
  5. Step 5: Solve for x
    x = 9,364.70/104.98
  6. Step 6: Final answer
    x = 89.21

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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.