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Finding the Fourth Proportional to 201,042.20, 301,563.30 and 60,782.60

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Solution

The fourth proportional to 201,042.20, 301,563.30 and 60,782.60 is: 91,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,042.20 : 301,563.30 = 60,782.60 : x
  2. Step 2: Convert to fraction form
    201,042.20/301,563.30 = 60,782.60/x
  3. Step 3: Cross multiply
    201,042.20x = 301,563.30 × 60,782.60
  4. Step 4: Simplify right side
    201,042.20x = 18,329,801,438.58
  5. Step 5: Solve for x
    x = 18,329,801,438.58/201,042.20
  6. Step 6: Final answer
    x = 91,173.90

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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.