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Finding the Fourth Proportional to 254,685.72, 382,028.10 and 67,697.22

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Solution

The fourth proportional to 254,685.72, 382,028.10 and 67,697.22 is: 101,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,685.72 : 382,028.10 = 67,697.22 : x
  2. Step 2: Convert to fraction form
    254,685.72/382,028.10 = 67,697.22/x
  3. Step 3: Cross multiply
    254,685.72x = 382,028.10 × 67,697.22
  4. Step 4: Simplify right side
    254,685.72x = 25,862,240,331.88
  5. Step 5: Solve for x
    x = 25,862,240,331.88/254,685.72
  6. Step 6: Final answer
    x = 101,545.70

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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.