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Finding the Fourth Proportional to 215,469.08, 323,202.73 and 65,708.93

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Solution

The fourth proportional to 215,469.08, 323,202.73 and 65,708.93 is: 98,563.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,469.08 : 323,202.73 = 65,708.93 : x
  2. Step 2: Convert to fraction form
    215,469.08/323,202.73 = 65,708.93/x
  3. Step 3: Cross multiply
    215,469.08x = 323,202.73 × 65,708.93
  4. Step 4: Simplify right side
    215,469.08x = 21,237,303,945.37
  5. Step 5: Solve for x
    x = 21,237,303,945.37/215,469.08
  6. Step 6: Final answer
    x = 98,563.12

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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.