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Finding the Fourth Proportional to 263,745.64, 395,612.88 and 64,066.96

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Solution

The fourth proportional to 263,745.64, 395,612.88 and 64,066.96 is: 96,099.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,745.64 : 395,612.88 = 64,066.96 : x
  2. Step 2: Convert to fraction form
    263,745.64/395,612.88 = 64,066.96/x
  3. Step 3: Cross multiply
    263,745.64x = 395,612.88 × 64,066.96
  4. Step 4: Simplify right side
    263,745.64x = 25,345,714,558.44
  5. Step 5: Solve for x
    x = 25,345,714,558.44/263,745.64
  6. Step 6: Final answer
    x = 96,099.08

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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.