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Finding the Fourth Proportional to 271,884.30, 407,826.45 and 114,420.30

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Solution

The fourth proportional to 271,884.30, 407,826.45 and 114,420.30 is: 171,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,884.30 : 407,826.45 = 114,420.30 : x
  2. Step 2: Convert to fraction form
    271,884.30/407,826.45 = 114,420.30/x
  3. Step 3: Cross multiply
    271,884.30x = 407,826.45 × 114,420.30
  4. Step 4: Simplify right side
    271,884.30x = 46,663,624,756.94
  5. Step 5: Solve for x
    x = 46,663,624,756.94/271,884.30
  6. Step 6: Final answer
    x = 171,630.45

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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.