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Finding the Fourth Proportional to 178,794.74, 246,694.21 and 101,271.06

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Solution

The fourth proportional to 178,794.74, 246,694.21 and 101,271.06 is: 139,729.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,794.74 : 246,694.21 = 101,271.06 : x
  2. Step 2: Convert to fraction form
    178,794.74/246,694.21 = 101,271.06/x
  3. Step 3: Cross multiply
    178,794.74x = 246,694.21 × 101,271.06
  4. Step 4: Simplify right side
    178,794.74x = 24,982,983,889.39
  5. Step 5: Solve for x
    x = 24,982,983,889.39/178,794.74
  6. Step 6: Final answer
    x = 139,729.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.