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Finding the Fourth Proportional to 254,685.96, 382,028.52 and 67,697.44

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Solution

The fourth proportional to 254,685.96, 382,028.52 and 67,697.44 is: 101,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,685.96 : 382,028.52 = 67,697.44 : x
  2. Step 2: Convert to fraction form
    254,685.96/382,028.52 = 67,697.44/x
  3. Step 3: Cross multiply
    254,685.96x = 382,028.52 × 67,697.44
  4. Step 4: Simplify right side
    254,685.96x = 25,862,352,810.99
  5. Step 5: Solve for x
    x = 25,862,352,810.99/254,685.96
  6. Step 6: Final answer
    x = 101,546.05

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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.