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Finding the Fourth Proportional to 188,063.81, 259,528.06 and 107,493.07

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Solution

The fourth proportional to 188,063.81, 259,528.06 and 107,493.07 is: 148,340.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,063.81 : 259,528.06 = 107,493.07 : x
  2. Step 2: Convert to fraction form
    188,063.81/259,528.06 = 107,493.07/x
  3. Step 3: Cross multiply
    188,063.81x = 259,528.06 × 107,493.07
  4. Step 4: Simplify right side
    188,063.81x = 27,897,467,920.54
  5. Step 5: Solve for x
    x = 27,897,467,920.54/188,063.81
  6. Step 6: Final answer
    x = 148,340.44

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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.