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Finding the Fourth Proportional to 79,329.50, 118,994.62 and 26,739.44

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Solution

The fourth proportional to 79,329.50, 118,994.62 and 26,739.44 is: 40,109.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,329.50 : 118,994.62 = 26,739.44 : x
  2. Step 2: Convert to fraction form
    79,329.50/118,994.62 = 26,739.44/x
  3. Step 3: Cross multiply
    79,329.50x = 118,994.62 × 26,739.44
  4. Step 4: Simplify right side
    79,329.50x = 3,181,849,501.81
  5. Step 5: Solve for x
    x = 3,181,849,501.81/79,329.50
  6. Step 6: Final answer
    x = 40,109.28

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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.