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Finding the Fourth Proportional to 79,328.22, 118,992.74 and 26,738.16

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Solution

The fourth proportional to 79,328.22, 118,992.74 and 26,738.16 is: 40,107.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,328.22 : 118,992.74 = 26,738.16 : x
  2. Step 2: Convert to fraction form
    79,328.22/118,992.74 = 26,738.16/x
  3. Step 3: Cross multiply
    79,328.22x = 118,992.74 × 26,738.16
  4. Step 4: Simplify right side
    79,328.22x = 3,181,646,920.96
  5. Step 5: Solve for x
    x = 3,181,646,920.96/79,328.22
  6. Step 6: Final answer
    x = 40,107.38

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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.