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Finding the Fourth Proportional to 273,912.40, 410,868.60 and 96,619.60

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Solution

The fourth proportional to 273,912.40, 410,868.60 and 96,619.60 is: 144,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,912.40 : 410,868.60 = 96,619.60 : x
  2. Step 2: Convert to fraction form
    273,912.40/410,868.60 = 96,619.60/x
  3. Step 3: Cross multiply
    273,912.40x = 410,868.60 × 96,619.60
  4. Step 4: Simplify right side
    273,912.40x = 39,697,959,784.56
  5. Step 5: Solve for x
    x = 39,697,959,784.56/273,912.40
  6. Step 6: Final answer
    x = 144,929.40

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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.