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Finding the Fourth Proportional to 267,245.51, 400,893.69 and 75,119.43

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Solution

The fourth proportional to 267,245.51, 400,893.69 and 75,119.43 is: 112,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,245.51 : 400,893.69 = 75,119.43 : x
  2. Step 2: Convert to fraction form
    267,245.51/400,893.69 = 75,119.43/x
  3. Step 3: Cross multiply
    267,245.51x = 400,893.69 × 75,119.43
  4. Step 4: Simplify right side
    267,245.51x = 30,114,907,268.45
  5. Step 5: Solve for x
    x = 30,114,907,268.45/267,245.51
  6. Step 6: Final answer
    x = 112,686.30

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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.