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Finding the Fourth Proportional to 135,459.37, 203,197.71 and 45,498.44

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Solution

The fourth proportional to 135,459.37, 203,197.71 and 45,498.44 is: 68,250.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,459.37 : 203,197.71 = 45,498.44 : x
  2. Step 2: Convert to fraction form
    135,459.37/203,197.71 = 45,498.44/x
  3. Step 3: Cross multiply
    135,459.37x = 203,197.71 × 45,498.44
  4. Step 4: Simplify right side
    135,459.37x = 9,245,179,495.19
  5. Step 5: Solve for x
    x = 9,245,179,495.19/135,459.37
  6. Step 6: Final answer
    x = 68,250.57

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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.