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Finding the Fourth Proportional to 129,583.68, 194,375.52 and 36,089.52

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Solution

The fourth proportional to 129,583.68, 194,375.52 and 36,089.52 is: 54,134.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,583.68 : 194,375.52 = 36,089.52 : x
  2. Step 2: Convert to fraction form
    129,583.68/194,375.52 = 36,089.52/x
  3. Step 3: Cross multiply
    129,583.68x = 194,375.52 × 36,089.52
  4. Step 4: Simplify right side
    129,583.68x = 7,014,919,216.55
  5. Step 5: Solve for x
    x = 7,014,919,216.55/129,583.68
  6. Step 6: Final answer
    x = 54,134.28

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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.