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Finding the Fourth Proportional to 248,138.44, 372,207.66 and 61,149.94

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Solution

The fourth proportional to 248,138.44, 372,207.66 and 61,149.94 is: 91,724.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,138.44 : 372,207.66 = 61,149.94 : x
  2. Step 2: Convert to fraction form
    248,138.44/372,207.66 = 61,149.94/x
  3. Step 3: Cross multiply
    248,138.44x = 372,207.66 × 61,149.94
  4. Step 4: Simplify right side
    248,138.44x = 22,760,474,916.71
  5. Step 5: Solve for x
    x = 22,760,474,916.71/248,138.44
  6. Step 6: Final answer
    x = 91,724.91

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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.