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Finding the Fourth Proportional to 363,640.16, 545,517.95 and 110,862.75

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Solution

The fourth proportional to 363,640.16, 545,517.95 and 110,862.75 is: 166,311.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,640.16 : 545,517.95 = 110,862.75 : x
  2. Step 2: Convert to fraction form
    363,640.16/545,517.95 = 110,862.75/x
  3. Step 3: Cross multiply
    363,640.16x = 545,517.95 × 110,862.75
  4. Step 4: Simplify right side
    363,640.16x = 60,477,620,111.36
  5. Step 5: Solve for x
    x = 60,477,620,111.36/363,640.16
  6. Step 6: Final answer
    x = 166,311.72

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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.