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Finding the Fourth Proportional to 75,483.96, 104,166.69 and 41,491.72

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Solution

The fourth proportional to 75,483.96, 104,166.69 and 41,491.72 is: 57,257.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,483.96 : 104,166.69 = 41,491.72 : x
  2. Step 2: Convert to fraction form
    75,483.96/104,166.69 = 41,491.72/x
  3. Step 3: Cross multiply
    75,483.96x = 104,166.69 × 41,491.72
  4. Step 4: Simplify right side
    75,483.96x = 4,322,054,756.87
  5. Step 5: Solve for x
    x = 4,322,054,756.87/75,483.96
  6. Step 6: Final answer
    x = 57,257.93

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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.