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Finding the Fourth Proportional to 260,986, 360,161.04 and 141,754

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Solution

The fourth proportional to 260,986, 360,161.04 and 141,754 is: 195,620.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,986 : 360,161.04 = 141,754 : x
  2. Step 2: Convert to fraction form
    260,986/360,161.04 = 141,754/x
  3. Step 3: Cross multiply
    260,986x = 360,161.04 × 141,754
  4. Step 4: Simplify right side
    260,986x = 51,054,268,064.16
  5. Step 5: Solve for x
    x = 51,054,268,064.16/260,986
  6. Step 6: Final answer
    x = 195,620.72

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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.