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Finding the Fourth Proportional to 203,762.44, 305,629.20 and 53,999.40

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Solution

The fourth proportional to 203,762.44, 305,629.20 and 53,999.40 is: 80,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,762.44 : 305,629.20 = 53,999.40 : x
  2. Step 2: Convert to fraction form
    203,762.44/305,629.20 = 53,999.40/x
  3. Step 3: Cross multiply
    203,762.44x = 305,629.20 × 53,999.40
  4. Step 4: Simplify right side
    203,762.44x = 16,503,793,422.48
  5. Step 5: Solve for x
    x = 16,503,793,422.48/203,762.44
  6. Step 6: Final answer
    x = 80,995.27

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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.