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Finding the Fourth Proportional to 274,073.94, 411,181.65 and 84,530.03

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Solution

The fourth proportional to 274,073.94, 411,181.65 and 84,530.03 is: 126,816.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,073.94 : 411,181.65 = 84,530.03 : x
  2. Step 2: Convert to fraction form
    274,073.94/411,181.65 = 84,530.03/x
  3. Step 3: Cross multiply
    274,073.94x = 411,181.65 × 84,530.03
  4. Step 4: Simplify right side
    274,073.94x = 34,757,197,209.95
  5. Step 5: Solve for x
    x = 34,757,197,209.95/274,073.94
  6. Step 6: Final answer
    x = 126,816.86

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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.