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Finding the Fourth Proportional to 70,496.44, 105,768.35 and 26,126.77

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Solution

The fourth proportional to 70,496.44, 105,768.35 and 26,126.77 is: 39,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,496.44 : 105,768.35 = 26,126.77 : x
  2. Step 2: Convert to fraction form
    70,496.44/105,768.35 = 26,126.77/x
  3. Step 3: Cross multiply
    70,496.44x = 105,768.35 × 26,126.77
  4. Step 4: Simplify right side
    70,496.44x = 2,763,385,353.73
  5. Step 5: Solve for x
    x = 2,763,385,353.73/70,496.44
  6. Step 6: Final answer
    x = 39,198.93

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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.