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Finding the Fourth Proportional to 222,358.82, 306,853.04 and 120,381.67

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Solution

The fourth proportional to 222,358.82, 306,853.04 and 120,381.67 is: 166,125.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,358.82 : 306,853.04 = 120,381.67 : x
  2. Step 2: Convert to fraction form
    222,358.82/306,853.04 = 120,381.67/x
  3. Step 3: Cross multiply
    222,358.82x = 306,853.04 × 120,381.67
  4. Step 4: Simplify right side
    222,358.82x = 36,939,479,263.60
  5. Step 5: Solve for x
    x = 36,939,479,263.60/222,358.82
  6. Step 6: Final answer
    x = 166,125.54

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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.