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Finding the Fourth Proportional to 202,550.01, 303,861.92 and 69,443.72

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Solution

The fourth proportional to 202,550.01, 303,861.92 and 69,443.72 is: 104,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,550.01 : 303,861.92 = 69,443.72 : x
  2. Step 2: Convert to fraction form
    202,550.01/303,861.92 = 69,443.72/x
  3. Step 3: Cross multiply
    202,550.01x = 303,861.92 × 69,443.72
  4. Step 4: Simplify right side
    202,550.01x = 21,101,300,224.61
  5. Step 5: Solve for x
    x = 21,101,300,224.61/202,550.01
  6. Step 6: Final answer
    x = 104,178.22

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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.