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Finding the Fourth Proportional to 194,608.52, 291,929.78 and 54,367.55

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Solution

The fourth proportional to 194,608.52, 291,929.78 and 54,367.55 is: 81,556.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,608.52 : 291,929.78 = 54,367.55 : x
  2. Step 2: Convert to fraction form
    194,608.52/291,929.78 = 54,367.55/x
  3. Step 3: Cross multiply
    194,608.52x = 291,929.78 × 54,367.55
  4. Step 4: Simplify right side
    194,608.52x = 15,871,505,586.91
  5. Step 5: Solve for x
    x = 15,871,505,586.91/194,608.52
  6. Step 6: Final answer
    x = 81,556.07

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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.