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Finding the Fourth Proportional to 68,778.81, 94,956.17 and 44,945.37

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Solution

The fourth proportional to 68,778.81, 94,956.17 and 44,945.37 is: 62,051.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,778.81 : 94,956.17 = 44,945.37 : x
  2. Step 2: Convert to fraction form
    68,778.81/94,956.17 = 44,945.37/x
  3. Step 3: Cross multiply
    68,778.81x = 94,956.17 × 44,945.37
  4. Step 4: Simplify right side
    68,778.81x = 4,267,839,969.71
  5. Step 5: Solve for x
    x = 4,267,839,969.71/68,778.81
  6. Step 6: Final answer
    x = 62,051.67

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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.