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Finding the Fourth Proportional to 254,186.91, 350,766.10 and 139,462.97

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Solution

The fourth proportional to 254,186.91, 350,766.10 and 139,462.97 is: 192,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,186.91 : 350,766.10 = 139,462.97 : x
  2. Step 2: Convert to fraction form
    254,186.91/350,766.10 = 139,462.97/x
  3. Step 3: Cross multiply
    254,186.91x = 350,766.10 × 139,462.97
  4. Step 4: Simplify right side
    254,186.91x = 48,918,879,717.34
  5. Step 5: Solve for x
    x = 48,918,879,717.34/254,186.91
  6. Step 6: Final answer
    x = 192,452.40

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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.