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Finding the Fourth Proportional to 74,904.96, 103,369.38 and 41,370.96

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Solution

The fourth proportional to 74,904.96, 103,369.38 and 41,370.96 is: 57,092.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,904.96 : 103,369.38 = 41,370.96 : x
  2. Step 2: Convert to fraction form
    74,904.96/103,369.38 = 41,370.96/x
  3. Step 3: Cross multiply
    74,904.96x = 103,369.38 × 41,370.96
  4. Step 4: Simplify right side
    74,904.96x = 4,276,490,485.20
  5. Step 5: Solve for x
    x = 4,276,490,485.20/74,904.96
  6. Step 6: Final answer
    x = 57,092.22

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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.