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Finding the Fourth Proportional to 188,000.84, 259,499.24 and 120,932.84

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Solution

The fourth proportional to 188,000.84, 259,499.24 and 120,932.84 is: 166,924.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,000.84 : 259,499.24 = 120,932.84 : x
  2. Step 2: Convert to fraction form
    188,000.84/259,499.24 = 120,932.84/x
  3. Step 3: Cross multiply
    188,000.84x = 259,499.24 × 120,932.84
  4. Step 4: Simplify right side
    188,000.84x = 31,381,978,168.88
  5. Step 5: Solve for x
    x = 31,381,978,168.88/188,000.84
  6. Step 6: Final answer
    x = 166,924.67

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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.