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Finding the Fourth Proportional to 182,969.70, 274,454.55 and 129,825.60

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Solution

The fourth proportional to 182,969.70, 274,454.55 and 129,825.60 is: 194,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,969.70 : 274,454.55 = 129,825.60 : x
  2. Step 2: Convert to fraction form
    182,969.70/274,454.55 = 129,825.60/x
  3. Step 3: Cross multiply
    182,969.70x = 274,454.55 × 129,825.60
  4. Step 4: Simplify right side
    182,969.70x = 35,631,226,626.48
  5. Step 5: Solve for x
    x = 35,631,226,626.48/182,969.70
  6. Step 6: Final answer
    x = 194,738.40

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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.