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Finding the Fourth Proportional to 264,846.45, 365,495.31 and 143,995.87

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Solution

The fourth proportional to 264,846.45, 365,495.31 and 143,995.87 is: 198,718.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,846.45 : 365,495.31 = 143,995.87 : x
  2. Step 2: Convert to fraction form
    264,846.45/365,495.31 = 143,995.87/x
  3. Step 3: Cross multiply
    264,846.45x = 365,495.31 × 143,995.87
  4. Step 4: Simplify right side
    264,846.45x = 52,629,815,144.37
  5. Step 5: Solve for x
    x = 52,629,815,144.37/264,846.45
  6. Step 6: Final answer
    x = 198,718.22

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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.