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Finding the Fourth Proportional to 202,015.11, 302,993.51 and 61,736.07

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Solution

The fourth proportional to 202,015.11, 302,993.51 and 61,736.07 is: 92,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,015.11 : 302,993.51 = 61,736.07 : x
  2. Step 2: Convert to fraction form
    202,015.11/302,993.51 = 61,736.07/x
  3. Step 3: Cross multiply
    202,015.11x = 302,993.51 × 61,736.07
  4. Step 4: Simplify right side
    202,015.11x = 18,705,628,234.23
  5. Step 5: Solve for x
    x = 18,705,628,234.23/202,015.11
  6. Step 6: Final answer
    x = 92,595.19

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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.