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Finding the Fourth Proportional to 265,523.87, 366,420.92 and 144,664.79

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Solution

The fourth proportional to 265,523.87, 366,420.92 and 144,664.79 is: 199,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,523.87 : 366,420.92 = 144,664.79 : x
  2. Step 2: Convert to fraction form
    265,523.87/366,420.92 = 144,664.79/x
  3. Step 3: Cross multiply
    265,523.87x = 366,420.92 × 144,664.79
  4. Step 4: Simplify right side
    265,523.87x = 53,008,202,887.98
  5. Step 5: Solve for x
    x = 53,008,202,887.98/265,523.87
  6. Step 6: Final answer
    x = 199,636.30

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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.