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Finding the Fourth Proportional to 263,702.80, 395,845.80 and 163,975.60

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Solution

The fourth proportional to 263,702.80, 395,845.80 and 163,975.60 is: 246,144.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,702.80 : 395,845.80 = 163,975.60 : x
  2. Step 2: Convert to fraction form
    263,702.80/395,845.80 = 163,975.60/x
  3. Step 3: Cross multiply
    263,702.80x = 395,845.80 × 163,975.60
  4. Step 4: Simplify right side
    263,702.80x = 64,909,052,562.48
  5. Step 5: Solve for x
    x = 64,909,052,562.48/263,702.80
  6. Step 6: Final answer
    x = 246,144.72

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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.