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Finding the Fourth Proportional to 265,139.78, 365,892.39 and 150,440.94

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Solution

The fourth proportional to 265,139.78, 365,892.39 and 150,440.94 is: 207,608.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,139.78 : 365,892.39 = 150,440.94 : x
  2. Step 2: Convert to fraction form
    265,139.78/365,892.39 = 150,440.94/x
  3. Step 3: Cross multiply
    265,139.78x = 365,892.39 × 150,440.94
  4. Step 4: Simplify right side
    265,139.78x = 55,045,195,090.45
  5. Step 5: Solve for x
    x = 55,045,195,090.45/265,139.78
  6. Step 6: Final answer
    x = 207,608.21

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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.