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Finding the Fourth Proportional to 202,051.25, 303,065.87 and 61,809.87

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Solution

The fourth proportional to 202,051.25, 303,065.87 and 61,809.87 is: 92,711.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,051.25 : 303,065.87 = 61,809.87 : x
  2. Step 2: Convert to fraction form
    202,051.25/303,065.87 = 61,809.87/x
  3. Step 3: Cross multiply
    202,051.25x = 303,065.87 × 61,809.87
  4. Step 4: Simplify right side
    202,051.25x = 18,732,462,180.66
  5. Step 5: Solve for x
    x = 18,732,462,180.66/202,051.25
  6. Step 6: Final answer
    x = 92,711.44

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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.