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Finding the Fourth Proportional to 75,804.66, 104,619.78 and 43,549.38

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Solution

The fourth proportional to 75,804.66, 104,619.78 and 43,549.38 is: 60,103.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,804.66 : 104,619.78 = 43,549.38 : x
  2. Step 2: Convert to fraction form
    75,804.66/104,619.78 = 43,549.38/x
  3. Step 3: Cross multiply
    75,804.66x = 104,619.78 × 43,549.38
  4. Step 4: Simplify right side
    75,804.66x = 4,556,126,554.74
  5. Step 5: Solve for x
    x = 4,556,126,554.74/75,804.66
  6. Step 6: Final answer
    x = 60,103.52

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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.