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Finding the Fourth Proportional to 74,610.92, 102,968.41 and 41,907.98

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Solution

The fourth proportional to 74,610.92, 102,968.41 and 41,907.98 is: 57,836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,610.92 : 102,968.41 = 41,907.98 : x
  2. Step 2: Convert to fraction form
    74,610.92/102,968.41 = 41,907.98/x
  3. Step 3: Cross multiply
    74,610.92x = 102,968.41 × 41,907.98
  4. Step 4: Simplify right side
    74,610.92x = 4,315,198,066.91
  5. Step 5: Solve for x
    x = 4,315,198,066.91/74,610.92
  6. Step 6: Final answer
    x = 57,836.01

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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.