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Finding the Fourth Proportional to 202,050.87, 303,065.31 and 61,809.49

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Solution

The fourth proportional to 202,050.87, 303,065.31 and 61,809.49 is: 92,710.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,050.87 : 303,065.31 = 61,809.49 : x
  2. Step 2: Convert to fraction form
    202,050.87/303,065.31 = 61,809.49/x
  3. Step 3: Cross multiply
    202,050.87x = 303,065.31 × 61,809.49
  4. Step 4: Simplify right side
    202,050.87x = 18,732,312,858.41
  5. Step 5: Solve for x
    x = 18,732,312,858.41/202,050.87
  6. Step 6: Final answer
    x = 92,710.88

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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.