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Finding the Fourth Proportional to 71,758.41, 99,015.41 and 41,537.84

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Solution

The fourth proportional to 71,758.41, 99,015.41 and 41,537.84 is: 57,315.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,758.41 : 99,015.41 = 41,537.84 : x
  2. Step 2: Convert to fraction form
    71,758.41/99,015.41 = 41,537.84/x
  3. Step 3: Cross multiply
    71,758.41x = 99,015.41 × 41,537.84
  4. Step 4: Simplify right side
    71,758.41x = 4,112,885,555.35
  5. Step 5: Solve for x
    x = 4,112,885,555.35/71,758.41
  6. Step 6: Final answer
    x = 57,315.73

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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.