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Finding the Fourth Proportional to 195,751.31, 270,124.01 and 115,163.25

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Solution

The fourth proportional to 195,751.31, 270,124.01 and 115,163.25 is: 158,917.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,751.31 : 270,124.01 = 115,163.25 : x
  2. Step 2: Convert to fraction form
    195,751.31/270,124.01 = 115,163.25/x
  3. Step 3: Cross multiply
    195,751.31x = 270,124.01 × 115,163.25
  4. Step 4: Simplify right side
    195,751.31x = 31,108,358,894.63
  5. Step 5: Solve for x
    x = 31,108,358,894.63/195,751.31
  6. Step 6: Final answer
    x = 158,917.76

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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.