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Finding the Fourth Proportional to 109,485.67, 164,228.14 and 26,379.67

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Solution

The fourth proportional to 109,485.67, 164,228.14 and 26,379.67 is: 39,569.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,485.67 : 164,228.14 = 26,379.67 : x
  2. Step 2: Convert to fraction form
    109,485.67/164,228.14 = 26,379.67/x
  3. Step 3: Cross multiply
    109,485.67x = 164,228.14 × 26,379.67
  4. Step 4: Simplify right side
    109,485.67x = 4,332,284,137.91
  5. Step 5: Solve for x
    x = 4,332,284,137.91/109,485.67
  6. Step 6: Final answer
    x = 39,569.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.