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Finding the Fourth Proportional to 271,624.60, 406,659.30 and 166,648.60

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Solution

The fourth proportional to 271,624.60, 406,659.30 and 166,648.60 is: 249,495.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,624.60 : 406,659.30 = 166,648.60 : x
  2. Step 2: Convert to fraction form
    271,624.60/406,659.30 = 166,648.60/x
  3. Step 3: Cross multiply
    271,624.60x = 406,659.30 × 166,648.60
  4. Step 4: Simplify right side
    271,624.60x = 67,769,203,021.98
  5. Step 5: Solve for x
    x = 67,769,203,021.98/271,624.60
  6. Step 6: Final answer
    x = 249,495.82

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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.