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Finding the Fourth Proportional to 185,766.01, 278,648.97 and 45,523.42

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Solution

The fourth proportional to 185,766.01, 278,648.97 and 45,523.42 is: 68,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,766.01 : 278,648.97 = 45,523.42 : x
  2. Step 2: Convert to fraction form
    185,766.01/278,648.97 = 45,523.42/x
  3. Step 3: Cross multiply
    185,766.01x = 278,648.97 × 45,523.42
  4. Step 4: Simplify right side
    185,766.01x = 12,685,054,093.88
  5. Step 5: Solve for x
    x = 12,685,054,093.88/185,766.01
  6. Step 6: Final answer
    x = 68,285.12

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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.