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Finding the Fourth Proportional to 234,674.89, 351,803.54 and 84,881.86

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Solution

The fourth proportional to 234,674.89, 351,803.54 and 84,881.86 is: 127,247.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,674.89 : 351,803.54 = 84,881.86 : x
  2. Step 2: Convert to fraction form
    234,674.89/351,803.54 = 84,881.86/x
  3. Step 3: Cross multiply
    234,674.89x = 351,803.54 × 84,881.86
  4. Step 4: Simplify right side
    234,674.89x = 29,861,738,829.78
  5. Step 5: Solve for x
    x = 29,861,738,829.78/234,674.89
  6. Step 6: Final answer
    x = 127,247.27

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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.