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Finding the Fourth Proportional to 203,468.70, 305,231.85 and 63,212.70

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Solution

The fourth proportional to 203,468.70, 305,231.85 and 63,212.70 is: 94,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,468.70 : 305,231.85 = 63,212.70 : x
  2. Step 2: Convert to fraction form
    203,468.70/305,231.85 = 63,212.70/x
  3. Step 3: Cross multiply
    203,468.70x = 305,231.85 × 63,212.70
  4. Step 4: Simplify right side
    203,468.70x = 19,294,529,364.50
  5. Step 5: Solve for x
    x = 19,294,529,364.50/203,468.70
  6. Step 6: Final answer
    x = 94,828.00

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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.