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Finding the Fourth Proportional to 219,803.67, 303,329.24 and 119,201.67

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Solution

The fourth proportional to 219,803.67, 303,329.24 and 119,201.67 is: 164,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,803.67 : 303,329.24 = 119,201.67 : x
  2. Step 2: Convert to fraction form
    219,803.67/303,329.24 = 119,201.67/x
  3. Step 3: Cross multiply
    219,803.67x = 303,329.24 × 119,201.67
  4. Step 4: Simplify right side
    219,803.67x = 36,157,351,371.82
  5. Step 5: Solve for x
    x = 36,157,351,371.82/219,803.67
  6. Step 6: Final answer
    x = 164,498.40

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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.