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Finding the Fourth Proportional to 262,379.52, 362,188.80 and 173,168.64

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Solution

The fourth proportional to 262,379.52, 362,188.80 and 173,168.64 is: 239,042.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,379.52 : 362,188.80 = 173,168.64 : x
  2. Step 2: Convert to fraction form
    262,379.52/362,188.80 = 173,168.64/x
  3. Step 3: Cross multiply
    262,379.52x = 362,188.80 × 173,168.64
  4. Step 4: Simplify right side
    262,379.52x = 62,719,741,919.23
  5. Step 5: Solve for x
    x = 62,719,741,919.23/262,379.52
  6. Step 6: Final answer
    x = 239,042.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.