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Finding the Fourth Proportional to 248,059.29, 372,123.66 and 79,540.01

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Solution

The fourth proportional to 248,059.29, 372,123.66 and 79,540.01 is: 119,321.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,059.29 : 372,123.66 = 79,540.01 : x
  2. Step 2: Convert to fraction form
    248,059.29/372,123.66 = 79,540.01/x
  3. Step 3: Cross multiply
    248,059.29x = 372,123.66 × 79,540.01
  4. Step 4: Simplify right side
    248,059.29x = 29,598,717,777.02
  5. Step 5: Solve for x
    x = 29,598,717,777.02/248,059.29
  6. Step 6: Final answer
    x = 119,321.14

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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.