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Finding the Fourth Proportional to 194,911.43, 292,483.79 and 84,103.43

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Solution

The fourth proportional to 194,911.43, 292,483.79 and 84,103.43 is: 126,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,911.43 : 292,483.79 = 84,103.43 : x
  2. Step 2: Convert to fraction form
    194,911.43/292,483.79 = 84,103.43/x
  3. Step 3: Cross multiply
    194,911.43x = 292,483.79 × 84,103.43
  4. Step 4: Simplify right side
    194,911.43x = 24,598,890,269.09
  5. Step 5: Solve for x
    x = 24,598,890,269.09/194,911.43
  6. Step 6: Final answer
    x = 126,205.48

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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.