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Finding the Fourth Proportional to 201,311.60, 302,278.44 and 107,999.60

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Solution

The fourth proportional to 201,311.60, 302,278.44 and 107,999.60 is: 162,166.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,311.60 : 302,278.44 = 107,999.60 : x
  2. Step 2: Convert to fraction form
    201,311.60/302,278.44 = 107,999.60/x
  3. Step 3: Cross multiply
    201,311.60x = 302,278.44 × 107,999.60
  4. Step 4: Simplify right side
    201,311.60x = 32,645,950,608.62
  5. Step 5: Solve for x
    x = 32,645,950,608.62/201,311.60
  6. Step 6: Final answer
    x = 162,166.27

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1.5x scale

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.