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Finding the Fourth Proportional to 271,394.48, 406,991.88 and 93,855.92

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Solution

The fourth proportional to 271,394.48, 406,991.88 and 93,855.92 is: 140,749.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,394.48 : 406,991.88 = 93,855.92 : x
  2. Step 2: Convert to fraction form
    271,394.48/406,991.88 = 93,855.92/x
  3. Step 3: Cross multiply
    271,394.48x = 406,991.88 × 93,855.92
  4. Step 4: Simplify right side
    271,394.48x = 38,198,597,329.93
  5. Step 5: Solve for x
    x = 38,198,597,329.93/271,394.48
  6. Step 6: Final answer
    x = 140,749.35

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1.5x scale

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.