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Finding the Fourth Proportional to 376.19, 564.21 and 116.13

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Solution

The fourth proportional to 376.19, 564.21 and 116.13 is: 174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.19 : 564.21 = 116.13 : x
  2. Step 2: Convert to fraction form
    376.19/564.21 = 116.13/x
  3. Step 3: Cross multiply
    376.19x = 564.21 × 116.13
  4. Step 4: Simplify right side
    376.19x = 65,521.71
  5. Step 5: Solve for x
    x = 65,521.71/376.19
  6. Step 6: Final answer
    x = 174.17

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Why These Related Problems?

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