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Finding the Fourth Proportional to 271,367.70, 406,978.65 and 93,929.10

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Solution

The fourth proportional to 271,367.70, 406,978.65 and 93,929.10 is: 140,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,367.70 : 406,978.65 = 93,929.10 : x
  2. Step 2: Convert to fraction form
    271,367.70/406,978.65 = 93,929.10/x
  3. Step 3: Cross multiply
    271,367.70x = 406,978.65 × 93,929.10
  4. Step 4: Simplify right side
    271,367.70x = 38,227,138,313.72
  5. Step 5: Solve for x
    x = 38,227,138,313.72/271,367.70
  6. Step 6: Final answer
    x = 140,868.42

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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.