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Finding the Fourth Proportional to 188,226.80, 259,678.90 and 107,611.01

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Solution

The fourth proportional to 188,226.80, 259,678.90 and 107,611.01 is: 148,460.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,226.80 : 259,678.90 = 107,611.01 : x
  2. Step 2: Convert to fraction form
    188,226.80/259,678.90 = 107,611.01/x
  3. Step 3: Cross multiply
    188,226.80x = 259,678.90 × 107,611.01
  4. Step 4: Simplify right side
    188,226.80x = 27,944,308,704.69
  5. Step 5: Solve for x
    x = 27,944,308,704.69/188,226.80
  6. Step 6: Final answer
    x = 148,460.84

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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.