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Finding the Fourth Proportional to 363,961.00, 545,941.52 and 111,242.21

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Solution

The fourth proportional to 363,961.00, 545,941.52 and 111,242.21 is: 166,863.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,961.00 : 545,941.52 = 111,242.21 : x
  2. Step 2: Convert to fraction form
    363,961.00/545,941.52 = 111,242.21/x
  3. Step 3: Cross multiply
    363,961.00x = 545,941.52 × 111,242.21
  4. Step 4: Simplify right side
    363,961.00x = 60,731,741,417.72
  5. Step 5: Solve for x
    x = 60,731,741,417.72/363,961.00
  6. Step 6: Final answer
    x = 166,863.32

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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.