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Finding the Fourth Proportional to 203,861.80, 305,792.70 and 151,373.80

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Solution

The fourth proportional to 203,861.80, 305,792.70 and 151,373.80 is: 227,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,861.80 : 305,792.70 = 151,373.80 : x
  2. Step 2: Convert to fraction form
    203,861.80/305,792.70 = 151,373.80/x
  3. Step 3: Cross multiply
    203,861.80x = 305,792.70 × 151,373.80
  4. Step 4: Simplify right side
    203,861.80x = 46,289,003,011.26
  5. Step 5: Solve for x
    x = 46,289,003,011.26/203,861.80
  6. Step 6: Final answer
    x = 227,060.70

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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.