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Finding the Fourth Proportional to 264,571.13, 365,114.96 and 143,719.34

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Solution

The fourth proportional to 264,571.13, 365,114.96 and 143,719.34 is: 198,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,571.13 : 365,114.96 = 143,719.34 : x
  2. Step 2: Convert to fraction form
    264,571.13/365,114.96 = 143,719.34/x
  3. Step 3: Cross multiply
    264,571.13x = 365,114.96 × 143,719.34
  4. Step 4: Simplify right side
    264,571.13x = 52,474,078,531.15
  5. Step 5: Solve for x
    x = 52,474,078,531.15/264,571.13
  6. Step 6: Final answer
    x = 198,336.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.