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Finding the Fourth Proportional to 115,843.73, 173,791.07 and 65,947.19

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Solution

The fourth proportional to 115,843.73, 173,791.07 and 65,947.19 is: 98,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,843.73 : 173,791.07 = 65,947.19 : x
  2. Step 2: Convert to fraction form
    115,843.73/173,791.07 = 65,947.19/x
  3. Step 3: Cross multiply
    115,843.73x = 173,791.07 × 65,947.19
  4. Step 4: Simplify right side
    115,843.73x = 11,461,033,065.64
  5. Step 5: Solve for x
    x = 11,461,033,065.64/115,843.73
  6. Step 6: Final answer
    x = 98,935.29

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1.5x scale

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.