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Finding the Fourth Proportional to 203,960.70, 305,941.29 and 63,720.06

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Solution

The fourth proportional to 203,960.70, 305,941.29 and 63,720.06 is: 95,580.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,960.70 : 305,941.29 = 63,720.06 : x
  2. Step 2: Convert to fraction form
    203,960.70/305,941.29 = 63,720.06/x
  3. Step 3: Cross multiply
    203,960.70x = 305,941.29 × 63,720.06
  4. Step 4: Simplify right side
    203,960.70x = 19,494,597,355.28
  5. Step 5: Solve for x
    x = 19,494,597,355.28/203,960.70
  6. Step 6: Final answer
    x = 95,580.16

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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.