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Finding the Fourth Proportional to 188,309.92, 259,804.45 and 106,627.00

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Solution

The fourth proportional to 188,309.92, 259,804.45 and 106,627.00 is: 147,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,309.92 : 259,804.45 = 106,627.00 : x
  2. Step 2: Convert to fraction form
    188,309.92/259,804.45 = 106,627.00/x
  3. Step 3: Cross multiply
    188,309.92x = 259,804.45 × 106,627.00
  4. Step 4: Simplify right side
    188,309.92x = 27,702,170,301.89
  5. Step 5: Solve for x
    x = 27,702,170,301.89/188,309.92
  6. Step 6: Final answer
    x = 147,109.46

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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.