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Finding the Fourth Proportional to 182,436, 273,429.36 and 129,559.20

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Solution

The fourth proportional to 182,436, 273,429.36 and 129,559.20 is: 194,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,436 : 273,429.36 = 129,559.20 : x
  2. Step 2: Convert to fraction form
    182,436/273,429.36 = 129,559.20/x
  3. Step 3: Cross multiply
    182,436x = 273,429.36 × 129,559.20
  4. Step 4: Simplify right side
    182,436x = 35,425,289,138.11
  5. Step 5: Solve for x
    x = 35,425,289,138.11/182,436
  6. Step 6: Final answer
    x = 194,179.27

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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.