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Finding the Fourth Proportional to 352,781.70, 529,204.05 and 100,064.58

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Solution

The fourth proportional to 352,781.70, 529,204.05 and 100,064.58 is: 150,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,781.70 : 529,204.05 = 100,064.58 : x
  2. Step 2: Convert to fraction form
    352,781.70/529,204.05 = 100,064.58/x
  3. Step 3: Cross multiply
    352,781.70x = 529,204.05 × 100,064.58
  4. Step 4: Simplify right side
    352,781.70x = 52,954,580,997.55
  5. Step 5: Solve for x
    x = 52,954,580,997.55/352,781.70
  6. Step 6: Final answer
    x = 150,105.80

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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.