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Finding the Fourth Proportional to 109,994.60, 164,994.46 and 26,889.32

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Solution

The fourth proportional to 109,994.60, 164,994.46 and 26,889.32 is: 40,334.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,994.60 : 164,994.46 = 26,889.32 : x
  2. Step 2: Convert to fraction form
    109,994.60/164,994.46 = 26,889.32/x
  3. Step 3: Cross multiply
    109,994.60x = 164,994.46 × 26,889.32
  4. Step 4: Simplify right side
    109,994.60x = 4,436,588,833.17
  5. Step 5: Solve for x
    x = 4,436,588,833.17/109,994.60
  6. Step 6: Final answer
    x = 40,334.61

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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.