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Finding the Fourth Proportional to 79,778.73, 110,090.16 and 43,968.63

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Solution

The fourth proportional to 79,778.73, 110,090.16 and 43,968.63 is: 60,674.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,778.73 : 110,090.16 = 43,968.63 : x
  2. Step 2: Convert to fraction form
    79,778.73/110,090.16 = 43,968.63/x
  3. Step 3: Cross multiply
    79,778.73x = 110,090.16 × 43,968.63
  4. Step 4: Simplify right side
    79,778.73x = 4,840,513,511.68
  5. Step 5: Solve for x
    x = 4,840,513,511.68/79,778.73
  6. Step 6: Final answer
    x = 60,674.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.