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Finding the Fourth Proportional to 235,181.15, 324,597.22 and 139,669.39

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Solution

The fourth proportional to 235,181.15, 324,597.22 and 139,669.39 is: 192,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,181.15 : 324,597.22 = 139,669.39 : x
  2. Step 2: Convert to fraction form
    235,181.15/324,597.22 = 139,669.39/x
  3. Step 3: Cross multiply
    235,181.15x = 324,597.22 × 139,669.39
  4. Step 4: Simplify right side
    235,181.15x = 45,336,294,727.02
  5. Step 5: Solve for x
    x = 45,336,294,727.02/235,181.15
  6. Step 6: Final answer
    x = 192,771.81

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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.