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Finding the Fourth Proportional to 265,797.56, 398,696.34 and 125,570.36

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Solution

The fourth proportional to 265,797.56, 398,696.34 and 125,570.36 is: 188,355.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,797.56 : 398,696.34 = 125,570.36 : x
  2. Step 2: Convert to fraction form
    265,797.56/398,696.34 = 125,570.36/x
  3. Step 3: Cross multiply
    265,797.56x = 398,696.34 × 125,570.36
  4. Step 4: Simplify right side
    265,797.56x = 50,064,442,944.48
  5. Step 5: Solve for x
    x = 50,064,442,944.48/265,797.56
  6. Step 6: Final answer
    x = 188,355.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.