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Finding the Fourth Proportional to 352,064.20, 528,096.30 and 141,593.80

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Solution

The fourth proportional to 352,064.20, 528,096.30 and 141,593.80 is: 212,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,064.20 : 528,096.30 = 141,593.80 : x
  2. Step 2: Convert to fraction form
    352,064.20/528,096.30 = 141,593.80/x
  3. Step 3: Cross multiply
    352,064.20x = 528,096.30 × 141,593.80
  4. Step 4: Simplify right side
    352,064.20x = 74,775,161,882.94
  5. Step 5: Solve for x
    x = 74,775,161,882.94/352,064.20
  6. Step 6: Final answer
    x = 212,390.70

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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.