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Finding the Fourth Proportional to 115,409.70, 173,112.73 and 59,217.37

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Solution

The fourth proportional to 115,409.70, 173,112.73 and 59,217.37 is: 88,825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,409.70 : 173,112.73 = 59,217.37 : x
  2. Step 2: Convert to fraction form
    115,409.70/173,112.73 = 59,217.37/x
  3. Step 3: Cross multiply
    115,409.70x = 173,112.73 × 59,217.37
  4. Step 4: Simplify right side
    115,409.70x = 10,251,280,584.12
  5. Step 5: Solve for x
    x = 10,251,280,584.12/115,409.70
  6. Step 6: Final answer
    x = 88,825.12

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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.