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Finding the Fourth Proportional to 188,051.78, 259,448.33 and 107,422.22

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Solution

The fourth proportional to 188,051.78, 259,448.33 and 107,422.22 is: 148,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,051.78 : 259,448.33 = 107,422.22 : x
  2. Step 2: Convert to fraction form
    188,051.78/259,448.33 = 107,422.22/x
  3. Step 3: Cross multiply
    188,051.78x = 259,448.33 × 107,422.22
  4. Step 4: Simplify right side
    188,051.78x = 27,870,515,583.89
  5. Step 5: Solve for x
    x = 27,870,515,583.89/188,051.78
  6. Step 6: Final answer
    x = 148,206.60

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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.