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Finding the Fourth Proportional to 219,651.66, 303,119.55 and 119,049.66

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Solution

The fourth proportional to 219,651.66, 303,119.55 and 119,049.66 is: 164,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,651.66 : 303,119.55 = 119,049.66 : x
  2. Step 2: Convert to fraction form
    219,651.66/303,119.55 = 119,049.66/x
  3. Step 3: Cross multiply
    219,651.66x = 303,119.55 × 119,049.66
  4. Step 4: Simplify right side
    219,651.66x = 36,086,279,366.85
  5. Step 5: Solve for x
    x = 36,086,279,366.85/219,651.66
  6. Step 6: Final answer
    x = 164,288.67

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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.