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Finding the Fourth Proportional to 133,500.99, 200,220.34 and 38,705.73

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Solution

The fourth proportional to 133,500.99, 200,220.34 and 38,705.73 is: 58,049.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,500.99 : 200,220.34 = 38,705.73 : x
  2. Step 2: Convert to fraction form
    133,500.99/200,220.34 = 38,705.73/x
  3. Step 3: Cross multiply
    133,500.99x = 200,220.34 × 38,705.73
  4. Step 4: Simplify right side
    133,500.99x = 7,749,674,227.02
  5. Step 5: Solve for x
    x = 7,749,674,227.02/133,500.99
  6. Step 6: Final answer
    x = 58,049.56

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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.