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Finding the Fourth Proportional to 79,329.54, 118,994.70 and 26,739.48

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Solution

The fourth proportional to 79,329.54, 118,994.70 and 26,739.48 is: 40,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,329.54 : 118,994.70 = 26,739.48 : x
  2. Step 2: Convert to fraction form
    79,329.54/118,994.70 = 26,739.48/x
  3. Step 3: Cross multiply
    79,329.54x = 118,994.70 × 26,739.48
  4. Step 4: Simplify right side
    79,329.54x = 3,181,856,400.76
  5. Step 5: Solve for x
    x = 3,181,856,400.76/79,329.54
  6. Step 6: Final answer
    x = 40,109.35

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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.