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Finding the Fourth Proportional to 202,572.69, 303,873.81 and 69,451.82

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Solution

The fourth proportional to 202,572.69, 303,873.81 and 69,451.82 is: 104,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,572.69 : 303,873.81 = 69,451.82 : x
  2. Step 2: Convert to fraction form
    202,572.69/303,873.81 = 69,451.82/x
  3. Step 3: Cross multiply
    202,572.69x = 303,873.81 × 69,451.82
  4. Step 4: Simplify right side
    202,572.69x = 21,104,589,154.83
  5. Step 5: Solve for x
    x = 21,104,589,154.83/202,572.69
  6. Step 6: Final answer
    x = 104,182.80

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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.