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Finding the Fourth Proportional to 352,100.96, 528,114 and 99,375.20

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Solution

The fourth proportional to 352,100.96, 528,114 and 99,375.20 is: 149,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,100.96 : 528,114 = 99,375.20 : x
  2. Step 2: Convert to fraction form
    352,100.96/528,114 = 99,375.20/x
  3. Step 3: Cross multiply
    352,100.96x = 528,114 × 99,375.20
  4. Step 4: Simplify right side
    352,100.96x = 52,481,434,372.80
  5. Step 5: Solve for x
    x = 52,481,434,372.80/352,100.96
  6. Step 6: Final answer
    x = 149,052.23

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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.