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Finding the Fourth Proportional to 188,247.54, 259,799.65 and 107,659.33

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Solution

The fourth proportional to 188,247.54, 259,799.65 and 107,659.33 is: 148,580.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,247.54 : 259,799.65 = 107,659.33 : x
  2. Step 2: Convert to fraction form
    188,247.54/259,799.65 = 107,659.33/x
  3. Step 3: Cross multiply
    188,247.54x = 259,799.65 × 107,659.33
  4. Step 4: Simplify right side
    188,247.54x = 27,969,855,940.17
  5. Step 5: Solve for x
    x = 27,969,855,940.17/188,247.54
  6. Step 6: Final answer
    x = 148,580.19

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1.5x scale

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.