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Finding the Fourth Proportional to 109,993.60, 164,992.96 and 26,888.32

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Solution

The fourth proportional to 109,993.60, 164,992.96 and 26,888.32 is: 40,333.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,993.60 : 164,992.96 = 26,888.32 : x
  2. Step 2: Convert to fraction form
    109,993.60/164,992.96 = 26,888.32/x
  3. Step 3: Cross multiply
    109,993.60x = 164,992.96 × 26,888.32
  4. Step 4: Simplify right side
    109,993.60x = 4,436,383,506.23
  5. Step 5: Solve for x
    x = 4,436,383,506.23/109,993.60
  6. Step 6: Final answer
    x = 40,333.11

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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.