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Finding the Fourth Proportional to 203,741.66, 305,614.59 and 61,588.10

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Solution

The fourth proportional to 203,741.66, 305,614.59 and 61,588.10 is: 92,382.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,741.66 : 305,614.59 = 61,588.10 : x
  2. Step 2: Convert to fraction form
    203,741.66/305,614.59 = 61,588.10/x
  3. Step 3: Cross multiply
    203,741.66x = 305,614.59 × 61,588.10
  4. Step 4: Simplify right side
    203,741.66x = 18,822,221,930.38
  5. Step 5: Solve for x
    x = 18,822,221,930.38/203,741.66
  6. Step 6: Final answer
    x = 92,382.78

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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.