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Finding the Fourth Proportional to 248,096.56, 372,156.36 and 79,623.76

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Solution

The fourth proportional to 248,096.56, 372,156.36 and 79,623.76 is: 119,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,096.56 : 372,156.36 = 79,623.76 : x
  2. Step 2: Convert to fraction form
    248,096.56/372,156.36 = 79,623.76/x
  3. Step 3: Cross multiply
    248,096.56x = 372,156.36 × 79,623.76
  4. Step 4: Simplify right side
    248,096.56x = 29,632,488,691.11
  5. Step 5: Solve for x
    x = 29,632,488,691.11/248,096.56
  6. Step 6: Final answer
    x = 119,439.34

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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.