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Finding the Fourth Proportional to 99.59, 137.44 and 60.24

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Solution

The fourth proportional to 99.59, 137.44 and 60.24 is: 83.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99.59 : 137.44 = 60.24 : x
  2. Step 2: Convert to fraction form
    99.59/137.44 = 60.24/x
  3. Step 3: Cross multiply
    99.59x = 137.44 × 60.24
  4. Step 4: Simplify right side
    99.59x = 8,279.98
  5. Step 5: Solve for x
    x = 8,279.98/99.59
  6. Step 6: Final answer
    x = 83.14

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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.