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Finding the Fourth Proportional to 367,021.02, 550,472.49 and 100,719.30

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Solution

The fourth proportional to 367,021.02, 550,472.49 and 100,719.30 is: 151,062.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,021.02 : 550,472.49 = 100,719.30 : x
  2. Step 2: Convert to fraction form
    367,021.02/550,472.49 = 100,719.30/x
  3. Step 3: Cross multiply
    367,021.02x = 550,472.49 × 100,719.30
  4. Step 4: Simplify right side
    367,021.02x = 55,443,203,862.06
  5. Step 5: Solve for x
    x = 55,443,203,862.06/367,021.02
  6. Step 6: Final answer
    x = 151,062.75

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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.