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Finding the Fourth Proportional to 201,256.20, 301,884.30 and 61,014.78

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Solution

The fourth proportional to 201,256.20, 301,884.30 and 61,014.78 is: 91,522.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,256.20 : 301,884.30 = 61,014.78 : x
  2. Step 2: Convert to fraction form
    201,256.20/301,884.30 = 61,014.78/x
  3. Step 3: Cross multiply
    201,256.20x = 301,884.30 × 61,014.78
  4. Step 4: Simplify right side
    201,256.20x = 18,419,404,149.95
  5. Step 5: Solve for x
    x = 18,419,404,149.95/201,256.20
  6. Step 6: Final answer
    x = 91,522.17

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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.