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Finding the Fourth Proportional to 201,497.18, 302,234.82 and 61,244.87

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Solution

The fourth proportional to 201,497.18, 302,234.82 and 61,244.87 is: 91,863.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,497.18 : 302,234.82 = 61,244.87 : x
  2. Step 2: Convert to fraction form
    201,497.18/302,234.82 = 61,244.87/x
  3. Step 3: Cross multiply
    201,497.18x = 302,234.82 × 61,244.87
  4. Step 4: Simplify right side
    201,497.18x = 18,510,330,749.20
  5. Step 5: Solve for x
    x = 18,510,330,749.20/201,497.18
  6. Step 6: Final answer
    x = 91,863.97

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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.