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Finding the Fourth Proportional to 74,905.08, 103,369.08 and 41,371.08

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Solution

The fourth proportional to 74,905.08, 103,369.08 and 41,371.08 is: 57,092.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,905.08 : 103,369.08 = 41,371.08 : x
  2. Step 2: Convert to fraction form
    74,905.08/103,369.08 = 41,371.08/x
  3. Step 3: Cross multiply
    74,905.08x = 103,369.08 × 41,371.08
  4. Step 4: Simplify right side
    74,905.08x = 4,276,490,478.21
  5. Step 5: Solve for x
    x = 4,276,490,478.21/74,905.08
  6. Step 6: Final answer
    x = 57,092.13

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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.