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Finding the Fourth Proportional to 367,709.64, 551,054.16 and 167,540.82

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Solution

The fourth proportional to 367,709.64, 551,054.16 and 167,540.82 is: 251,078.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,709.64 : 551,054.16 = 167,540.82 : x
  2. Step 2: Convert to fraction form
    367,709.64/551,054.16 = 167,540.82/x
  3. Step 3: Cross multiply
    367,709.64x = 551,054.16 × 167,540.82
  4. Step 4: Simplify right side
    367,709.64x = 92,324,065,830.81
  5. Step 5: Solve for x
    x = 92,324,065,830.81/367,709.64
  6. Step 6: Final answer
    x = 251,078.72

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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.