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Finding the Fourth Proportional to 201,319.20, 301,614.30 and 159,474.60

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Solution

The fourth proportional to 201,319.20, 301,614.30 and 159,474.60 is: 238,923.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,319.20 : 301,614.30 = 159,474.60 : x
  2. Step 2: Convert to fraction form
    201,319.20/301,614.30 = 159,474.60/x
  3. Step 3: Cross multiply
    201,319.20x = 301,614.30 × 159,474.60
  4. Step 4: Simplify right side
    201,319.20x = 48,099,819,846.78
  5. Step 5: Solve for x
    x = 48,099,819,846.78/201,319.20
  6. Step 6: Final answer
    x = 238,923.16

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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.