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Finding the Fourth Proportional to 75,798.83, 104,603.19 and 41,808.80

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Solution

The fourth proportional to 75,798.83, 104,603.19 and 41,808.80 is: 57,696.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,798.83 : 104,603.19 = 41,808.80 : x
  2. Step 2: Convert to fraction form
    75,798.83/104,603.19 = 41,808.80/x
  3. Step 3: Cross multiply
    75,798.83x = 104,603.19 × 41,808.80
  4. Step 4: Simplify right side
    75,798.83x = 4,373,333,850.07
  5. Step 5: Solve for x
    x = 4,373,333,850.07/75,798.83
  6. Step 6: Final answer
    x = 57,696.59

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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.