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Finding the Fourth Proportional to 79,487.88, 119,218.86 and 29,556.24

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Solution

The fourth proportional to 79,487.88, 119,218.86 and 29,556.24 is: 44,329.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,487.88 : 119,218.86 = 29,556.24 : x
  2. Step 2: Convert to fraction form
    79,487.88/119,218.86 = 29,556.24/x
  3. Step 3: Cross multiply
    79,487.88x = 119,218.86 × 29,556.24
  4. Step 4: Simplify right side
    79,487.88x = 3,523,661,238.69
  5. Step 5: Solve for x
    x = 3,523,661,238.69/79,487.88
  6. Step 6: Final answer
    x = 44,329.54

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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.