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Finding the Fourth Proportional to 74,793.49, 103,207.85 and 41,257.33

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Solution

The fourth proportional to 74,793.49, 103,207.85 and 41,257.33 is: 56,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,793.49 : 103,207.85 = 41,257.33 : x
  2. Step 2: Convert to fraction form
    74,793.49/103,207.85 = 41,257.33/x
  3. Step 3: Cross multiply
    74,793.49x = 103,207.85 × 41,257.33
  4. Step 4: Simplify right side
    74,793.49x = 4,258,080,119.75
  5. Step 5: Solve for x
    x = 4,258,080,119.75/74,793.49
  6. Step 6: Final answer
    x = 56,931.16

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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.