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Finding the Fourth Proportional to 115,578.64, 173,359.32 and 41,706.64

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Solution

The fourth proportional to 115,578.64, 173,359.32 and 41,706.64 is: 62,556.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,578.64 : 173,359.32 = 41,706.64 : x
  2. Step 2: Convert to fraction form
    115,578.64/173,359.32 = 41,706.64/x
  3. Step 3: Cross multiply
    115,578.64x = 173,359.32 × 41,706.64
  4. Step 4: Simplify right side
    115,578.64x = 7,230,234,749.88
  5. Step 5: Solve for x
    x = 7,230,234,749.88/115,578.64
  6. Step 6: Final answer
    x = 62,556.84

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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.