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Finding the Fourth Proportional to 65,169.36, 97,731.36 and 18,409.68

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Solution

The fourth proportional to 65,169.36, 97,731.36 and 18,409.68 is: 27,608.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,169.36 : 97,731.36 = 18,409.68 : x
  2. Step 2: Convert to fraction form
    65,169.36/97,731.36 = 18,409.68/x
  3. Step 3: Cross multiply
    65,169.36x = 97,731.36 × 18,409.68
  4. Step 4: Simplify right side
    65,169.36x = 1,799,203,063.56
  5. Step 5: Solve for x
    x = 1,799,203,063.56/65,169.36
  6. Step 6: Final answer
    x = 27,608.11

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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.