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Finding the Fourth Proportional to 79,122.56, 118,645.56 and 29,226.15

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Solution

The fourth proportional to 79,122.56, 118,645.56 and 29,226.15 is: 43,825.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,122.56 : 118,645.56 = 29,226.15 : x
  2. Step 2: Convert to fraction form
    79,122.56/118,645.56 = 29,226.15/x
  3. Step 3: Cross multiply
    79,122.56x = 118,645.56 × 29,226.15
  4. Step 4: Simplify right side
    79,122.56x = 3,467,552,933.39
  5. Step 5: Solve for x
    x = 3,467,552,933.39/79,122.56
  6. Step 6: Final answer
    x = 43,825.09

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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.