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Finding the Fourth Proportional to 320,891.88, 481,331.36 and 110,525.16

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Solution

The fourth proportional to 320,891.88, 481,331.36 and 110,525.16 is: 165,785.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,891.88 : 481,331.36 = 110,525.16 : x
  2. Step 2: Convert to fraction form
    320,891.88/481,331.36 = 110,525.16/x
  3. Step 3: Cross multiply
    320,891.88x = 481,331.36 × 110,525.16
  4. Step 4: Simplify right side
    320,891.88x = 53,199,225,577.02
  5. Step 5: Solve for x
    x = 53,199,225,577.02/320,891.88
  6. Step 6: Final answer
    x = 165,785.51

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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.