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Finding the Fourth Proportional to 202,053.75, 303,069.61 and 61,812.37

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Solution

The fourth proportional to 202,053.75, 303,069.61 and 61,812.37 is: 92,715.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,053.75 : 303,069.61 = 61,812.37 : x
  2. Step 2: Convert to fraction form
    202,053.75/303,069.61 = 61,812.37/x
  3. Step 3: Cross multiply
    202,053.75x = 303,069.61 × 61,812.37
  4. Step 4: Simplify right side
    202,053.75x = 18,733,450,869.08
  5. Step 5: Solve for x
    x = 18,733,450,869.08/202,053.75
  6. Step 6: Final answer
    x = 92,715.19

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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.