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Finding the Fourth Proportional to 202,051.87, 303,066.81 and 61,810.49

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Solution

The fourth proportional to 202,051.87, 303,066.81 and 61,810.49 is: 92,712.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,051.87 : 303,066.81 = 61,810.49 : x
  2. Step 2: Convert to fraction form
    202,051.87/303,066.81 = 61,810.49/x
  3. Step 3: Cross multiply
    202,051.87x = 303,066.81 × 61,810.49
  4. Step 4: Simplify right side
    202,051.87x = 18,732,708,028.84
  5. Step 5: Solve for x
    x = 18,732,708,028.84/202,051.87
  6. Step 6: Final answer
    x = 92,712.37

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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.