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Finding the Fourth Proportional to 264,939.88, 365,613.58 and 144,078.56

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Solution

The fourth proportional to 264,939.88, 365,613.58 and 144,078.56 is: 198,826.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,939.88 : 365,613.58 = 144,078.56 : x
  2. Step 2: Convert to fraction form
    264,939.88/365,613.58 = 144,078.56/x
  3. Step 3: Cross multiply
    264,939.88x = 365,613.58 × 144,078.56
  4. Step 4: Simplify right side
    264,939.88x = 52,677,079,902.50
  5. Step 5: Solve for x
    x = 52,677,079,902.50/264,939.88
  6. Step 6: Final answer
    x = 198,826.54

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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.