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Finding the Fourth Proportional to 263,255.72, 363,292.92 and 148,558.64

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Solution

The fourth proportional to 263,255.72, 363,292.92 and 148,558.64 is: 205,010.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,255.72 : 363,292.92 = 148,558.64 : x
  2. Step 2: Convert to fraction form
    263,255.72/363,292.92 = 148,558.64/x
  3. Step 3: Cross multiply
    263,255.72x = 363,292.92 × 148,558.64
  4. Step 4: Simplify right side
    263,255.72x = 53,970,302,116.83
  5. Step 5: Solve for x
    x = 53,970,302,116.83/263,255.72
  6. Step 6: Final answer
    x = 205,010.94

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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.