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Finding the Fourth Proportional to 180,977.88, 250,074.54 and 140,796.12

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Solution

The fourth proportional to 180,977.88, 250,074.54 and 140,796.12 is: 194,551.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,977.88 : 250,074.54 = 140,796.12 : x
  2. Step 2: Convert to fraction form
    180,977.88/250,074.54 = 140,796.12/x
  3. Step 3: Cross multiply
    180,977.88x = 250,074.54 × 140,796.12
  4. Step 4: Simplify right side
    180,977.88x = 35,209,524,942.78
  5. Step 5: Solve for x
    x = 35,209,524,942.78/180,977.88
  6. Step 6: Final answer
    x = 194,551.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.