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Finding the Fourth Proportional to 74,168.63, 111,252.67 and 18,008.69

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Solution

The fourth proportional to 74,168.63, 111,252.67 and 18,008.69 is: 27,012.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,168.63 : 111,252.67 = 18,008.69 : x
  2. Step 2: Convert to fraction form
    74,168.63/111,252.67 = 18,008.69/x
  3. Step 3: Cross multiply
    74,168.63x = 111,252.67 × 18,008.69
  4. Step 4: Simplify right side
    74,168.63x = 2,003,515,078.81
  5. Step 5: Solve for x
    x = 2,003,515,078.81/74,168.63
  6. Step 6: Final answer
    x = 27,012.97

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1.5x scale

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.