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Finding the Fourth Proportional to 168,197.50, 252,301.11 and 43,538.50

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Solution

The fourth proportional to 168,197.50, 252,301.11 and 43,538.50 is: 65,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,197.50 : 252,301.11 = 43,538.50 : x
  2. Step 2: Convert to fraction form
    168,197.50/252,301.11 = 43,538.50/x
  3. Step 3: Cross multiply
    168,197.50x = 252,301.11 × 43,538.50
  4. Step 4: Simplify right side
    168,197.50x = 10,984,811,877.74
  5. Step 5: Solve for x
    x = 10,984,811,877.74/168,197.50
  6. Step 6: Final answer
    x = 65,309.01

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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.