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Finding the Fourth Proportional to 236,556.36, 354,703.26 and 78,698.64

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Solution

The fourth proportional to 236,556.36, 354,703.26 and 78,698.64 is: 118,004.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,556.36 : 354,703.26 = 78,698.64 : x
  2. Step 2: Convert to fraction form
    236,556.36/354,703.26 = 78,698.64/x
  3. Step 3: Cross multiply
    236,556.36x = 354,703.26 × 78,698.64
  4. Step 4: Simplify right side
    236,556.36x = 27,914,664,165.57
  5. Step 5: Solve for x
    x = 27,914,664,165.57/236,556.36
  6. Step 6: Final answer
    x = 118,004.29

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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.