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Finding the Fourth Proportional to 70,495.44, 105,766.85 and 26,125.77

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Solution

The fourth proportional to 70,495.44, 105,766.85 and 26,125.77 is: 39,197.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,495.44 : 105,766.85 = 26,125.77 : x
  2. Step 2: Convert to fraction form
    70,495.44/105,766.85 = 26,125.77/x
  3. Step 3: Cross multiply
    70,495.44x = 105,766.85 × 26,125.77
  4. Step 4: Simplify right side
    70,495.44x = 2,763,240,266.10
  5. Step 5: Solve for x
    x = 2,763,240,266.10/70,495.44
  6. Step 6: Final answer
    x = 39,197.43

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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.