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Finding the Fourth Proportional to 104,065.94, 156,099.81 and 25,180.23

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Solution

The fourth proportional to 104,065.94, 156,099.81 and 25,180.23 is: 37,770.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,065.94 : 156,099.81 = 25,180.23 : x
  2. Step 2: Convert to fraction form
    104,065.94/156,099.81 = 25,180.23/x
  3. Step 3: Cross multiply
    104,065.94x = 156,099.81 × 25,180.23
  4. Step 4: Simplify right side
    104,065.94x = 3,930,629,118.76
  5. Step 5: Solve for x
    x = 3,930,629,118.76/104,065.94
  6. Step 6: Final answer
    x = 37,770.56

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1.5x scale

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.