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Finding the Fourth Proportional to 68,804.98, 103,217.73 and 24,428.02

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Solution

The fourth proportional to 68,804.98, 103,217.73 and 24,428.02 is: 36,645.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,804.98 : 103,217.73 = 24,428.02 : x
  2. Step 2: Convert to fraction form
    68,804.98/103,217.73 = 24,428.02/x
  3. Step 3: Cross multiply
    68,804.98x = 103,217.73 × 24,428.02
  4. Step 4: Simplify right side
    68,804.98x = 2,521,404,772.79
  5. Step 5: Solve for x
    x = 2,521,404,772.79/68,804.98
  6. Step 6: Final answer
    x = 36,645.67

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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.