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Finding the Fourth Proportional to 228,963.08, 343,405.74 and 60,485.24

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Solution

The fourth proportional to 228,963.08, 343,405.74 and 60,485.24 is: 90,717.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,963.08 : 343,405.74 = 60,485.24 : x
  2. Step 2: Convert to fraction form
    228,963.08/343,405.74 = 60,485.24/x
  3. Step 3: Cross multiply
    228,963.08x = 343,405.74 × 60,485.24
  4. Step 4: Simplify right side
    228,963.08x = 20,770,978,601.28
  5. Step 5: Solve for x
    x = 20,770,978,601.28/228,963.08
  6. Step 6: Final answer
    x = 90,717.59

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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.