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Finding the Fourth Proportional to 273,650.76, 410,447.28 and 129,522.12

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Solution

The fourth proportional to 273,650.76, 410,447.28 and 129,522.12 is: 194,269.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,650.76 : 410,447.28 = 129,522.12 : x
  2. Step 2: Convert to fraction form
    273,650.76/410,447.28 = 129,522.12/x
  3. Step 3: Cross multiply
    273,650.76x = 410,447.28 × 129,522.12
  4. Step 4: Simplify right side
    273,650.76x = 53,162,001,853.83
  5. Step 5: Solve for x
    x = 53,162,001,853.83/273,650.76
  6. Step 6: Final answer
    x = 194,269.52

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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.