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Finding the Fourth Proportional to 70,768.58, 97,620.08 and 44,226.50

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Solution

The fourth proportional to 70,768.58, 97,620.08 and 44,226.50 is: 61,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,768.58 : 97,620.08 = 44,226.50 : x
  2. Step 2: Convert to fraction form
    70,768.58/97,620.08 = 44,226.50/x
  3. Step 3: Cross multiply
    70,768.58x = 97,620.08 × 44,226.50
  4. Step 4: Simplify right side
    70,768.58x = 4,317,394,468.12
  5. Step 5: Solve for x
    x = 4,317,394,468.12/70,768.58
  6. Step 6: Final answer
    x = 61,007.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.