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Finding the Fourth Proportional to 109,481.52, 164,222.28 and 26,375.52

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Solution

The fourth proportional to 109,481.52, 164,222.28 and 26,375.52 is: 39,563.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,481.52 : 164,222.28 = 26,375.52 : x
  2. Step 2: Convert to fraction form
    109,481.52/164,222.28 = 26,375.52/x
  3. Step 3: Cross multiply
    109,481.52x = 164,222.28 × 26,375.52
  4. Step 4: Simplify right side
    109,481.52x = 4,331,448,030.59
  5. Step 5: Solve for x
    x = 4,331,448,030.59/109,481.52
  6. Step 6: Final answer
    x = 39,563.28

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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.