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Finding the Fourth Proportional to 219,942.40, 303,524.04 and 119,340.40

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Solution

The fourth proportional to 219,942.40, 303,524.04 and 119,340.40 is: 164,691.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,942.40 : 303,524.04 = 119,340.40 : x
  2. Step 2: Convert to fraction form
    219,942.40/303,524.04 = 119,340.40/x
  3. Step 3: Cross multiply
    219,942.40x = 303,524.04 × 119,340.40
  4. Step 4: Simplify right side
    219,942.40x = 36,222,680,343.22
  5. Step 5: Solve for x
    x = 36,222,680,343.22/219,942.40
  6. Step 6: Final answer
    x = 164,691.67

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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.