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Finding the Fourth Proportional to 264,345.20, 395,999.40 and 158,850.80

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Solution

The fourth proportional to 264,345.20, 395,999.40 and 158,850.80 is: 237,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,345.20 : 395,999.40 = 158,850.80 : x
  2. Step 2: Convert to fraction form
    264,345.20/395,999.40 = 158,850.80/x
  3. Step 3: Cross multiply
    264,345.20x = 395,999.40 × 158,850.80
  4. Step 4: Simplify right side
    264,345.20x = 62,904,821,489.52
  5. Step 5: Solve for x
    x = 62,904,821,489.52/264,345.20
  6. Step 6: Final answer
    x = 237,964.68

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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.