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Finding the Fourth Proportional to 201,191.36, 301,736.82 and 60,947.96

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Solution

The fourth proportional to 201,191.36, 301,736.82 and 60,947.96 is: 91,406.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,191.36 : 301,736.82 = 60,947.96 : x
  2. Step 2: Convert to fraction form
    201,191.36/301,736.82 = 60,947.96/x
  3. Step 3: Cross multiply
    201,191.36x = 301,736.82 × 60,947.96
  4. Step 4: Simplify right side
    201,191.36x = 18,390,243,635.89
  5. Step 5: Solve for x
    x = 18,390,243,635.89/201,191.36
  6. Step 6: Final answer
    x = 91,406.73

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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.