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Finding the Fourth Proportional to 73,067.55, 100,825.52 and 42,434.67

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Solution

The fourth proportional to 73,067.55, 100,825.52 and 42,434.67 is: 58,555.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,067.55 : 100,825.52 = 42,434.67 : x
  2. Step 2: Convert to fraction form
    73,067.55/100,825.52 = 42,434.67/x
  3. Step 3: Cross multiply
    73,067.55x = 100,825.52 × 42,434.67
  4. Step 4: Simplify right side
    73,067.55x = 4,278,497,668.78
  5. Step 5: Solve for x
    x = 4,278,497,668.78/73,067.55
  6. Step 6: Final answer
    x = 58,555.37

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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.