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Finding the Fourth Proportional to 271,425.06, 407,165.52 and 93,931.80

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Solution

The fourth proportional to 271,425.06, 407,165.52 and 93,931.80 is: 140,907.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,425.06 : 407,165.52 = 93,931.80 : x
  2. Step 2: Convert to fraction form
    271,425.06/407,165.52 = 93,931.80/x
  3. Step 3: Cross multiply
    271,425.06x = 407,165.52 × 93,931.80
  4. Step 4: Simplify right side
    271,425.06x = 38,245,790,191.54
  5. Step 5: Solve for x
    x = 38,245,790,191.54/271,425.06
  6. Step 6: Final answer
    x = 140,907.37

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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.