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Finding the Fourth Proportional to 264,739.88, 365,343.46 and 143,881.49

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Solution

The fourth proportional to 264,739.88, 365,343.46 and 143,881.49 is: 198,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,739.88 : 365,343.46 = 143,881.49 : x
  2. Step 2: Convert to fraction form
    264,739.88/365,343.46 = 143,881.49/x
  3. Step 3: Cross multiply
    264,739.88x = 365,343.46 × 143,881.49
  4. Step 4: Simplify right side
    264,739.88x = 52,566,161,940.21
  5. Step 5: Solve for x
    x = 52,566,161,940.21/264,739.88
  6. Step 6: Final answer
    x = 198,557.77

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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.