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Finding the Fourth Proportional to 109,995.60, 164,995.96 and 26,890.32

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Solution

The fourth proportional to 109,995.60, 164,995.96 and 26,890.32 is: 40,336.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,995.60 : 164,995.96 = 26,890.32 : x
  2. Step 2: Convert to fraction form
    109,995.60/164,995.96 = 26,890.32/x
  3. Step 3: Cross multiply
    109,995.60x = 164,995.96 × 26,890.32
  4. Step 4: Simplify right side
    109,995.60x = 4,436,794,163.11
  5. Step 5: Solve for x
    x = 4,436,794,163.11/109,995.60
  6. Step 6: Final answer
    x = 40,336.11

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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.