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Finding the Fourth Proportional to 263,853.64, 395,592.54 and 123,535.72

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Solution

The fourth proportional to 263,853.64, 395,592.54 and 123,535.72 is: 185,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,853.64 : 395,592.54 = 123,535.72 : x
  2. Step 2: Convert to fraction form
    263,853.64/395,592.54 = 123,535.72/x
  3. Step 3: Cross multiply
    263,853.64x = 395,592.54 × 123,535.72
  4. Step 4: Simplify right side
    263,853.64x = 48,869,809,255.53
  5. Step 5: Solve for x
    x = 48,869,809,255.53/263,853.64
  6. Step 6: Final answer
    x = 185,215.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.