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Finding the Fourth Proportional to 201,847.60, 302,625.60 and 113,128.30

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Solution

The fourth proportional to 201,847.60, 302,625.60 and 113,128.30 is: 169,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,847.60 : 302,625.60 = 113,128.30 : x
  2. Step 2: Convert to fraction form
    201,847.60/302,625.60 = 113,128.30/x
  3. Step 3: Cross multiply
    201,847.60x = 302,625.60 × 113,128.30
  4. Step 4: Simplify right side
    201,847.60x = 34,235,519,664.48
  5. Step 5: Solve for x
    x = 34,235,519,664.48/201,847.60
  6. Step 6: Final answer
    x = 169,610.73

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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.