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Finding the Fourth Proportional to 79,682.60, 119,496.05 and 23,507.80

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Solution

The fourth proportional to 79,682.60, 119,496.05 and 23,507.80 is: 35,253.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,682.60 : 119,496.05 = 23,507.80 : x
  2. Step 2: Convert to fraction form
    79,682.60/119,496.05 = 23,507.80/x
  3. Step 3: Cross multiply
    79,682.60x = 119,496.05 × 23,507.80
  4. Step 4: Simplify right side
    79,682.60x = 2,809,089,126.65
  5. Step 5: Solve for x
    x = 2,809,089,126.65/79,682.60
  6. Step 6: Final answer
    x = 35,253.48

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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.