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Finding the Fourth Proportional to 74,706, 103,096.48 and 41,174.16

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Solution

The fourth proportional to 74,706, 103,096.48 and 41,174.16 is: 56,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,706 : 103,096.48 = 41,174.16 : x
  2. Step 2: Convert to fraction form
    74,706/103,096.48 = 41,174.16/x
  3. Step 3: Cross multiply
    74,706x = 103,096.48 × 41,174.16
  4. Step 4: Simplify right side
    74,706x = 4,244,910,962.96
  5. Step 5: Solve for x
    x = 4,244,910,962.96/74,706
  6. Step 6: Final answer
    x = 56,821.55

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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.