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Finding the Fourth Proportional to 360.16, 540.11 and 116.62

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Solution

The fourth proportional to 360.16, 540.11 and 116.62 is: 174.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.16 : 540.11 = 116.62 : x
  2. Step 2: Convert to fraction form
    360.16/540.11 = 116.62/x
  3. Step 3: Cross multiply
    360.16x = 540.11 × 116.62
  4. Step 4: Simplify right side
    360.16x = 62,987.63
  5. Step 5: Solve for x
    x = 62,987.63/360.16
  6. Step 6: Final answer
    x = 174.89

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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.