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Finding the Fourth Proportional to 74,793.96, 103,213.86 and 41,259.24

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Solution

The fourth proportional to 74,793.96, 103,213.86 and 41,259.24 is: 56,936.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,793.96 : 103,213.86 = 41,259.24 : x
  2. Step 2: Convert to fraction form
    74,793.96/103,213.86 = 41,259.24/x
  3. Step 3: Cross multiply
    74,793.96x = 103,213.86 × 41,259.24
  4. Step 4: Simplify right side
    74,793.96x = 4,258,525,421.07
  5. Step 5: Solve for x
    x = 4,258,525,421.07/74,793.96
  6. Step 6: Final answer
    x = 56,936.76

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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.