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Finding the Fourth Proportional to 99.56, 137.41 and 73.32

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Solution

The fourth proportional to 99.56, 137.41 and 73.32 is: 101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99.56 : 137.41 = 73.32 : x
  2. Step 2: Convert to fraction form
    99.56/137.41 = 73.32/x
  3. Step 3: Cross multiply
    99.56x = 137.41 × 73.32
  4. Step 4: Simplify right side
    99.56x = 10,074.90
  5. Step 5: Solve for x
    x = 10,074.90/99.56
  6. Step 6: Final answer
    x = 101.19

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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.