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Finding the Fourth Proportional to 109,395.69, 164,093.52 and 26,289.69

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Solution

The fourth proportional to 109,395.69, 164,093.52 and 26,289.69 is: 39,434.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,395.69 : 164,093.52 = 26,289.69 : x
  2. Step 2: Convert to fraction form
    109,395.69/164,093.52 = 26,289.69/x
  3. Step 3: Cross multiply
    109,395.69x = 164,093.52 × 26,289.69
  4. Step 4: Simplify right side
    109,395.69x = 4,313,967,771.81
  5. Step 5: Solve for x
    x = 4,313,967,771.81/109,395.69
  6. Step 6: Final answer
    x = 39,434.53

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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.