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Finding the Fourth Proportional to 365,570.53, 548,221.48 and 125,616.38

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Solution

The fourth proportional to 365,570.53, 548,221.48 and 125,616.38 is: 188,378.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,570.53 : 548,221.48 = 125,616.38 : x
  2. Step 2: Convert to fraction form
    365,570.53/548,221.48 = 125,616.38/x
  3. Step 3: Cross multiply
    365,570.53x = 548,221.48 × 125,616.38
  4. Step 4: Simplify right side
    365,570.53x = 68,865,598,732.03
  5. Step 5: Solve for x
    x = 68,865,598,732.03/365,570.53
  6. Step 6: Final answer
    x = 188,378.42

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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.