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Finding the Fourth Proportional to 248,260.92, 372,099.76 and 114,859.42

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Solution

The fourth proportional to 248,260.92, 372,099.76 and 114,859.42 is: 172,154.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,260.92 : 372,099.76 = 114,859.42 : x
  2. Step 2: Convert to fraction form
    248,260.92/372,099.76 = 114,859.42/x
  3. Step 3: Cross multiply
    248,260.92x = 372,099.76 × 114,859.42
  4. Step 4: Simplify right side
    248,260.92x = 42,739,162,615.74
  5. Step 5: Solve for x
    x = 42,739,162,615.74/248,260.92
  6. Step 6: Final answer
    x = 172,154.21

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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.