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Finding the Fourth Proportional to 75,369.94, 104,010.95 and 41,379.91

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Solution

The fourth proportional to 75,369.94, 104,010.95 and 41,379.91 is: 57,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,369.94 : 104,010.95 = 41,379.91 : x
  2. Step 2: Convert to fraction form
    75,369.94/104,010.95 = 41,379.91/x
  3. Step 3: Cross multiply
    75,369.94x = 104,010.95 × 41,379.91
  4. Step 4: Simplify right side
    75,369.94x = 4,303,963,750.01
  5. Step 5: Solve for x
    x = 4,303,963,750.01/75,369.94
  6. Step 6: Final answer
    x = 57,104.51

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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.