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Finding the Fourth Proportional to 74,797.92, 112,103.26 and 37,368.43

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Solution

The fourth proportional to 74,797.92, 112,103.26 and 37,368.43 is: 56,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,797.92 : 112,103.26 = 37,368.43 : x
  2. Step 2: Convert to fraction form
    74,797.92/112,103.26 = 37,368.43/x
  3. Step 3: Cross multiply
    74,797.92x = 112,103.26 × 37,368.43
  4. Step 4: Simplify right side
    74,797.92x = 4,189,122,450.40
  5. Step 5: Solve for x
    x = 4,189,122,450.40/74,797.92
  6. Step 6: Final answer
    x = 56,005.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.