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Finding the Fourth Proportional to 264,747.79, 365,354.35 and 143,889.37

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Solution

The fourth proportional to 264,747.79, 365,354.35 and 143,889.37 is: 198,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,747.79 : 365,354.35 = 143,889.37 : x
  2. Step 2: Convert to fraction form
    264,747.79/365,354.35 = 143,889.37/x
  3. Step 3: Cross multiply
    264,747.79x = 365,354.35 × 143,889.37
  4. Step 4: Simplify right side
    264,747.79x = 52,570,605,975.15
  5. Step 5: Solve for x
    x = 52,570,605,975.15/264,747.79
  6. Step 6: Final answer
    x = 198,568.63

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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.