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Finding the Fourth Proportional to 135,935.40, 203,499.90 and 101,029.80

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Solution

The fourth proportional to 135,935.40, 203,499.90 and 101,029.80 is: 151,245.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,935.40 : 203,499.90 = 101,029.80 : x
  2. Step 2: Convert to fraction form
    135,935.40/203,499.90 = 101,029.80/x
  3. Step 3: Cross multiply
    135,935.40x = 203,499.90 × 101,029.80
  4. Step 4: Simplify right side
    135,935.40x = 20,559,554,197.02
  5. Step 5: Solve for x
    x = 20,559,554,197.02/135,935.40
  6. Step 6: Final answer
    x = 151,245.03

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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.