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Finding the Fourth Proportional to 74,899.64, 103,351.98 and 41,363.64

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Solution

The fourth proportional to 74,899.64, 103,351.98 and 41,363.64 is: 57,076.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,899.64 : 103,351.98 = 41,363.64 : x
  2. Step 2: Convert to fraction form
    74,899.64/103,351.98 = 41,363.64/x
  3. Step 3: Cross multiply
    74,899.64x = 103,351.98 × 41,363.64
  4. Step 4: Simplify right side
    74,899.64x = 4,275,014,094.01
  5. Step 5: Solve for x
    x = 4,275,014,094.01/74,899.64
  6. Step 6: Final answer
    x = 57,076.56

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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.