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Finding the Fourth Proportional to 202,430.72, 303,649.68 and 62,190.56

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Solution

The fourth proportional to 202,430.72, 303,649.68 and 62,190.56 is: 93,286.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,430.72 : 303,649.68 = 62,190.56 : x
  2. Step 2: Convert to fraction form
    202,430.72/303,649.68 = 62,190.56/x
  3. Step 3: Cross multiply
    202,430.72x = 303,649.68 × 62,190.56
  4. Step 4: Simplify right side
    202,430.72x = 18,884,143,643.02
  5. Step 5: Solve for x
    x = 18,884,143,643.02/202,430.72
  6. Step 6: Final answer
    x = 93,286.95

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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.