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Finding the Fourth Proportional to 352,166.82, 528,115.56 and 192,157.22

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Solution

The fourth proportional to 352,166.82, 528,115.56 and 192,157.22 is: 288,162.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,166.82 : 528,115.56 = 192,157.22 : x
  2. Step 2: Convert to fraction form
    352,166.82/528,115.56 = 192,157.22/x
  3. Step 3: Cross multiply
    352,166.82x = 528,115.56 × 192,157.22
  4. Step 4: Simplify right side
    352,166.82x = 101,481,215,207.77
  5. Step 5: Solve for x
    x = 101,481,215,207.77/352,166.82
  6. Step 6: Final answer
    x = 288,162.34

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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.