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Finding the Fourth Proportional to 271,708.60, 407,562.90 and 166,586.80

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Solution

The fourth proportional to 271,708.60, 407,562.90 and 166,586.80 is: 249,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,708.60 : 407,562.90 = 166,586.80 : x
  2. Step 2: Convert to fraction form
    271,708.60/407,562.90 = 166,586.80/x
  3. Step 3: Cross multiply
    271,708.60x = 407,562.90 × 166,586.80
  4. Step 4: Simplify right side
    271,708.60x = 67,894,599,309.72
  5. Step 5: Solve for x
    x = 67,894,599,309.72/271,708.60
  6. Step 6: Final answer
    x = 249,880.20

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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.