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Finding the Fourth Proportional to 119,704.70, 179,542.44 and 30,950.78

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Solution

The fourth proportional to 119,704.70, 179,542.44 and 30,950.78 is: 46,422.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,704.70 : 179,542.44 = 30,950.78 : x
  2. Step 2: Convert to fraction form
    119,704.70/179,542.44 = 30,950.78/x
  3. Step 3: Cross multiply
    119,704.70x = 179,542.44 × 30,950.78
  4. Step 4: Simplify right side
    119,704.70x = 5,556,977,663.39
  5. Step 5: Solve for x
    x = 5,556,977,663.39/119,704.70
  6. Step 6: Final answer
    x = 46,422.38

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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.