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Finding the Fourth Proportional to 196,659.33, 294,989.16 and 84,266.64

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Solution

The fourth proportional to 196,659.33, 294,989.16 and 84,266.64 is: 126,400.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,659.33 : 294,989.16 = 84,266.64 : x
  2. Step 2: Convert to fraction form
    196,659.33/294,989.16 = 84,266.64/x
  3. Step 3: Cross multiply
    196,659.33x = 294,989.16 × 84,266.64
  4. Step 4: Simplify right side
    196,659.33x = 24,857,745,349.62
  5. Step 5: Solve for x
    x = 24,857,745,349.62/196,659.33
  6. Step 6: Final answer
    x = 126,400.03

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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.