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Finding the Fourth Proportional to 68,010.26, 102,048.83 and 30,596.76

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Solution

The fourth proportional to 68,010.26, 102,048.83 and 30,596.76 is: 45,910.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,010.26 : 102,048.83 = 30,596.76 : x
  2. Step 2: Convert to fraction form
    68,010.26/102,048.83 = 30,596.76/x
  3. Step 3: Cross multiply
    68,010.26x = 102,048.83 × 30,596.76
  4. Step 4: Simplify right side
    68,010.26x = 3,122,363,406.81
  5. Step 5: Solve for x
    x = 3,122,363,406.81/68,010.26
  6. Step 6: Final answer
    x = 45,910.19

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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.