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Finding the Fourth Proportional to 276,425.06, 414,445.22 and 122,467.46

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Solution

The fourth proportional to 276,425.06, 414,445.22 and 122,467.46 is: 183,615.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,425.06 : 414,445.22 = 122,467.46 : x
  2. Step 2: Convert to fraction form
    276,425.06/414,445.22 = 122,467.46/x
  3. Step 3: Cross multiply
    276,425.06x = 414,445.22 × 122,467.46
  4. Step 4: Simplify right side
    276,425.06x = 50,756,050,717.98
  5. Step 5: Solve for x
    x = 50,756,050,717.98/276,425.06
  6. Step 6: Final answer
    x = 183,615.95

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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.