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Finding the Fourth Proportional to 168,274.92, 252,383.22 and 43,615.92

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Solution

The fourth proportional to 168,274.92, 252,383.22 and 43,615.92 is: 65,416.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,274.92 : 252,383.22 = 43,615.92 : x
  2. Step 2: Convert to fraction form
    168,274.92/252,383.22 = 43,615.92/x
  3. Step 3: Cross multiply
    168,274.92x = 252,383.22 × 43,615.92
  4. Step 4: Simplify right side
    168,274.92x = 11,007,926,332.86
  5. Step 5: Solve for x
    x = 11,007,926,332.86/168,274.92
  6. Step 6: Final answer
    x = 65,416.32

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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.