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Finding the Fourth Proportional to 74,768.24, 103,174.08 and 41,234.24

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Solution

The fourth proportional to 74,768.24, 103,174.08 and 41,234.24 is: 56,899.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,768.24 : 103,174.08 = 41,234.24 : x
  2. Step 2: Convert to fraction form
    74,768.24/103,174.08 = 41,234.24/x
  3. Step 3: Cross multiply
    74,768.24x = 103,174.08 × 41,234.24
  4. Step 4: Simplify right side
    74,768.24x = 4,254,304,776.50
  5. Step 5: Solve for x
    x = 4,254,304,776.50/74,768.24
  6. Step 6: Final answer
    x = 56,899.89

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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.