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Finding the Fourth Proportional to 227,311.61, 341,065.74 and 122,007.56

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Solution

The fourth proportional to 227,311.61, 341,065.74 and 122,007.56 is: 183,064.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,311.61 : 341,065.74 = 122,007.56 : x
  2. Step 2: Convert to fraction form
    227,311.61/341,065.74 = 122,007.56/x
  3. Step 3: Cross multiply
    227,311.61x = 341,065.74 × 122,007.56
  4. Step 4: Simplify right side
    227,311.61x = 41,612,598,736.99
  5. Step 5: Solve for x
    x = 41,612,598,736.99/227,311.61
  6. Step 6: Final answer
    x = 183,064.12

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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.