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Finding the Fourth Proportional to 271,610.60, 407,124.30 and 103,065.80

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Solution

The fourth proportional to 271,610.60, 407,124.30 and 103,065.80 is: 154,488.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,610.60 : 407,124.30 = 103,065.80 : x
  2. Step 2: Convert to fraction form
    271,610.60/407,124.30 = 103,065.80/x
  3. Step 3: Cross multiply
    271,610.60x = 407,124.30 × 103,065.80
  4. Step 4: Simplify right side
    271,610.60x = 41,960,591,678.94
  5. Step 5: Solve for x
    x = 41,960,591,678.94/271,610.60
  6. Step 6: Final answer
    x = 154,488.05

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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.