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Finding the Fourth Proportional to 201,997.40, 302,996.10 and 59,847.80

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Solution

The fourth proportional to 201,997.40, 302,996.10 and 59,847.80 is: 89,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,997.40 : 302,996.10 = 59,847.80 : x
  2. Step 2: Convert to fraction form
    201,997.40/302,996.10 = 59,847.80/x
  3. Step 3: Cross multiply
    201,997.40x = 302,996.10 × 59,847.80
  4. Step 4: Simplify right side
    201,997.40x = 18,133,649,993.58
  5. Step 5: Solve for x
    x = 18,133,649,993.58/201,997.40
  6. Step 6: Final answer
    x = 89,771.70

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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.