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Finding the Fourth Proportional to 196,967.36, 295,451.04 and 91,859.84

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Solution

The fourth proportional to 196,967.36, 295,451.04 and 91,859.84 is: 137,789.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,967.36 : 295,451.04 = 91,859.84 : x
  2. Step 2: Convert to fraction form
    196,967.36/295,451.04 = 91,859.84/x
  3. Step 3: Cross multiply
    196,967.36x = 295,451.04 × 91,859.84
  4. Step 4: Simplify right side
    196,967.36x = 27,140,085,262.23
  5. Step 5: Solve for x
    x = 27,140,085,262.23/196,967.36
  6. Step 6: Final answer
    x = 137,789.76

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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.