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Finding the Fourth Proportional to 201,495.73, 302,232.66 and 61,243.42

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Solution

The fourth proportional to 201,495.73, 302,232.66 and 61,243.42 is: 91,861.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,495.73 : 302,232.66 = 61,243.42 : x
  2. Step 2: Convert to fraction form
    201,495.73/302,232.66 = 61,243.42/x
  3. Step 3: Cross multiply
    201,495.73x = 302,232.66 × 61,243.42
  4. Step 4: Simplify right side
    201,495.73x = 18,509,761,734.10
  5. Step 5: Solve for x
    x = 18,509,761,734.10/201,495.73
  6. Step 6: Final answer
    x = 91,861.81

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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.