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Finding the Fourth Proportional to 178,874.74, 246,793.25 and 107,228.62

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Solution

The fourth proportional to 178,874.74, 246,793.25 and 107,228.62 is: 147,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,874.74 : 246,793.25 = 107,228.62 : x
  2. Step 2: Convert to fraction form
    178,874.74/246,793.25 = 107,228.62/x
  3. Step 3: Cross multiply
    178,874.74x = 246,793.25 × 107,228.62
  4. Step 4: Simplify right side
    178,874.74x = 26,463,297,852.71
  5. Step 5: Solve for x
    x = 26,463,297,852.71/178,874.74
  6. Step 6: Final answer
    x = 147,943.18

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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.