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Finding the Fourth Proportional to 273,524.76, 410,155.74 and 129,310.47

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Solution

The fourth proportional to 273,524.76, 410,155.74 and 129,310.47 is: 193,903.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,524.76 : 410,155.74 = 129,310.47 : x
  2. Step 2: Convert to fraction form
    273,524.76/410,155.74 = 129,310.47/x
  3. Step 3: Cross multiply
    273,524.76x = 410,155.74 × 129,310.47
  4. Step 4: Simplify right side
    273,524.76x = 53,037,431,512.60
  5. Step 5: Solve for x
    x = 53,037,431,512.60/273,524.76
  6. Step 6: Final answer
    x = 193,903.58

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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.