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Finding the Fourth Proportional to 74,182, 111,316.74 and 27,467.68

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Solution

The fourth proportional to 74,182, 111,316.74 and 27,467.68 is: 41,217.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,182 : 111,316.74 = 27,467.68 : x
  2. Step 2: Convert to fraction form
    74,182/111,316.74 = 27,467.68/x
  3. Step 3: Cross multiply
    74,182x = 111,316.74 × 27,467.68
  4. Step 4: Simplify right side
    74,182x = 3,057,612,592.96
  5. Step 5: Solve for x
    x = 3,057,612,592.96/74,182
  6. Step 6: Final answer
    x = 41,217.72

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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.