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Finding the Fourth Proportional to 203,523.75, 305,300.30 and 53,762.09

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Solution

The fourth proportional to 203,523.75, 305,300.30 and 53,762.09 is: 80,647.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,523.75 : 305,300.30 = 53,762.09 : x
  2. Step 2: Convert to fraction form
    203,523.75/305,300.30 = 53,762.09/x
  3. Step 3: Cross multiply
    203,523.75x = 305,300.30 × 53,762.09
  4. Step 4: Simplify right side
    203,523.75x = 16,413,580,410.32
  5. Step 5: Solve for x
    x = 16,413,580,410.32/203,523.75
  6. Step 6: Final answer
    x = 80,647.00

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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.