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Finding the Fourth Proportional to 254,230.70, 350,837.39 and 139,511.25

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Solution

The fourth proportional to 254,230.70, 350,837.39 and 139,511.25 is: 192,524.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,230.70 : 350,837.39 = 139,511.25 : x
  2. Step 2: Convert to fraction form
    254,230.70/350,837.39 = 139,511.25/x
  3. Step 3: Cross multiply
    254,230.70x = 350,837.39 × 139,511.25
  4. Step 4: Simplify right side
    254,230.70x = 48,945,763,174.42
  5. Step 5: Solve for x
    x = 48,945,763,174.42/254,230.70
  6. Step 6: Final answer
    x = 192,524.99

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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.