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Finding the Fourth Proportional to 359.70, 539.62 and 116.16

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Solution

The fourth proportional to 359.70, 539.62 and 116.16 is: 174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.70 : 539.62 = 116.16 : x
  2. Step 2: Convert to fraction form
    359.70/539.62 = 116.16/x
  3. Step 3: Cross multiply
    359.70x = 539.62 × 116.16
  4. Step 4: Simplify right side
    359.70x = 62,682.26
  5. Step 5: Solve for x
    x = 62,682.26/359.70
  6. Step 6: Final answer
    x = 174.26

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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.