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Finding the Fourth Proportional to 352,960.56, 529,007.09 and 163,164.20

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Solution

The fourth proportional to 352,960.56, 529,007.09 and 163,164.20 is: 244,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,960.56 : 529,007.09 = 163,164.20 : x
  2. Step 2: Convert to fraction form
    352,960.56/529,007.09 = 163,164.20/x
  3. Step 3: Cross multiply
    352,960.56x = 529,007.09 × 163,164.20
  4. Step 4: Simplify right side
    352,960.56x = 86,315,015,173.32
  5. Step 5: Solve for x
    x = 86,315,015,173.32/352,960.56
  6. Step 6: Final answer
    x = 244,545.78

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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.