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Finding the Fourth Proportional to 271,813.70, 407,720.55 and 94,302.20

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Solution

The fourth proportional to 271,813.70, 407,720.55 and 94,302.20 is: 141,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,813.70 : 407,720.55 = 94,302.20 : x
  2. Step 2: Convert to fraction form
    271,813.70/407,720.55 = 94,302.20/x
  3. Step 3: Cross multiply
    271,813.70x = 407,720.55 × 94,302.20
  4. Step 4: Simplify right side
    271,813.70x = 38,448,944,850.21
  5. Step 5: Solve for x
    x = 38,448,944,850.21/271,813.70
  6. Step 6: Final answer
    x = 141,453.30

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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.