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Finding the Fourth Proportional to 188,000.33, 259,498.55 and 120,932.33

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Solution

The fourth proportional to 188,000.33, 259,498.55 and 120,932.33 is: 166,923.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,000.33 : 259,498.55 = 120,932.33 : x
  2. Step 2: Convert to fraction form
    188,000.33/259,498.55 = 120,932.33/x
  3. Step 3: Cross multiply
    188,000.33x = 259,498.55 × 120,932.33
  4. Step 4: Simplify right side
    188,000.33x = 31,381,764,327.21
  5. Step 5: Solve for x
    x = 31,381,764,327.21/188,000.33
  6. Step 6: Final answer
    x = 166,923.98

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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.