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Finding the Fourth Proportional to 201,577.20, 302,236.20 and 83,295.60

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Solution

The fourth proportional to 201,577.20, 302,236.20 and 83,295.60 is: 124,889.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,577.20 : 302,236.20 = 83,295.60 : x
  2. Step 2: Convert to fraction form
    201,577.20/302,236.20 = 83,295.60/x
  3. Step 3: Cross multiply
    201,577.20x = 302,236.20 × 83,295.60
  4. Step 4: Simplify right side
    201,577.20x = 25,174,945,620.72
  5. Step 5: Solve for x
    x = 25,174,945,620.72/201,577.20
  6. Step 6: Final answer
    x = 124,889.85

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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.