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Finding the Fourth Proportional to 74,759.06, 103,167.51 and 41,225.06

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Solution

The fourth proportional to 74,759.06, 103,167.51 and 41,225.06 is: 56,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,759.06 : 103,167.51 = 41,225.06 : x
  2. Step 2: Convert to fraction form
    74,759.06/103,167.51 = 41,225.06/x
  3. Step 3: Cross multiply
    74,759.06x = 103,167.51 × 41,225.06
  4. Step 4: Simplify right side
    74,759.06x = 4,253,086,893.13
  5. Step 5: Solve for x
    x = 4,253,086,893.13/74,759.06
  6. Step 6: Final answer
    x = 56,890.59

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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.