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Finding the Fourth Proportional to 132,064.75, 198,126.29 and 48,958.75

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Solution

The fourth proportional to 132,064.75, 198,126.29 and 48,958.75 is: 73,448.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,064.75 : 198,126.29 = 48,958.75 : x
  2. Step 2: Convert to fraction form
    132,064.75/198,126.29 = 48,958.75/x
  3. Step 3: Cross multiply
    132,064.75x = 198,126.29 × 48,958.75
  4. Step 4: Simplify right side
    132,064.75x = 9,700,015,500.54
  5. Step 5: Solve for x
    x = 9,700,015,500.54/132,064.75
  6. Step 6: Final answer
    x = 73,448.94

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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.