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Finding the Fourth Proportional to 110,653.43, 165,939.44 and 39,556.85

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Solution

The fourth proportional to 110,653.43, 165,939.44 and 39,556.85 is: 59,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,653.43 : 165,939.44 = 39,556.85 : x
  2. Step 2: Convert to fraction form
    110,653.43/165,939.44 = 39,556.85/x
  3. Step 3: Cross multiply
    110,653.43x = 165,939.44 × 39,556.85
  4. Step 4: Simplify right side
    110,653.43x = 6,564,040,509.68
  5. Step 5: Solve for x
    x = 6,564,040,509.68/110,653.43
  6. Step 6: Final answer
    x = 59,320.72

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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.