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Finding the Fourth Proportional to 74,657.25, 103,027.01 and 41,123.25

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Solution

The fourth proportional to 74,657.25, 103,027.01 and 41,123.25 is: 56,750.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,657.25 : 103,027.01 = 41,123.25 : x
  2. Step 2: Convert to fraction form
    74,657.25/103,027.01 = 41,123.25/x
  3. Step 3: Cross multiply
    74,657.25x = 103,027.01 × 41,123.25
  4. Step 4: Simplify right side
    74,657.25x = 4,236,805,488.98
  5. Step 5: Solve for x
    x = 4,236,805,488.98/74,657.25
  6. Step 6: Final answer
    x = 56,750.09

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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.