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Finding the Fourth Proportional to 265,879.37, 366,918.48 and 145,025.00

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Solution

The fourth proportional to 265,879.37, 366,918.48 and 145,025.00 is: 200,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,879.37 : 366,918.48 = 145,025.00 : x
  2. Step 2: Convert to fraction form
    265,879.37/366,918.48 = 145,025.00/x
  3. Step 3: Cross multiply
    265,879.37x = 366,918.48 × 145,025.00
  4. Step 4: Simplify right side
    265,879.37x = 53,212,350,727.41
  5. Step 5: Solve for x
    x = 53,212,350,727.41/265,879.37
  6. Step 6: Final answer
    x = 200,137.20

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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.