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Finding the Fourth Proportional to 113.16, 168.84 and 95.16

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Solution

The fourth proportional to 113.16, 168.84 and 95.16 is: 141.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.16 : 168.84 = 95.16 : x
  2. Step 2: Convert to fraction form
    113.16/168.84 = 95.16/x
  3. Step 3: Cross multiply
    113.16x = 168.84 × 95.16
  4. Step 4: Simplify right side
    113.16x = 16,066.81
  5. Step 5: Solve for x
    x = 16,066.81/113.16
  6. Step 6: Final answer
    x = 141.98

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.