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Finding the Fourth Proportional to 265,629.78, 366,558.39 and 144,768.45

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Solution

The fourth proportional to 265,629.78, 366,558.39 and 144,768.45 is: 199,774.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,629.78 : 366,558.39 = 144,768.45 : x
  2. Step 2: Convert to fraction form
    265,629.78/366,558.39 = 144,768.45/x
  3. Step 3: Cross multiply
    265,629.78x = 366,558.39 × 144,768.45
  4. Step 4: Simplify right side
    265,629.78x = 53,066,089,954.80
  5. Step 5: Solve for x
    x = 53,066,089,954.80/265,629.78
  6. Step 6: Final answer
    x = 199,774.63

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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.