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Finding the Fourth Proportional to 180,074.40, 270,111.82 and 46,954.56

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Solution

The fourth proportional to 180,074.40, 270,111.82 and 46,954.56 is: 70,431.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,074.40 : 270,111.82 = 46,954.56 : x
  2. Step 2: Convert to fraction form
    180,074.40/270,111.82 = 46,954.56/x
  3. Step 3: Cross multiply
    180,074.40x = 270,111.82 × 46,954.56
  4. Step 4: Simplify right side
    180,074.40x = 12,682,981,658.90
  5. Step 5: Solve for x
    x = 12,682,981,658.90/180,074.40
  6. Step 6: Final answer
    x = 70,431.90

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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.