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Finding the Fourth Proportional to 363,317.75, 545,064.15 and 113,999.75

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Solution

The fourth proportional to 363,317.75, 545,064.15 and 113,999.75 is: 171,027.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,317.75 : 545,064.15 = 113,999.75 : x
  2. Step 2: Convert to fraction form
    363,317.75/545,064.15 = 113,999.75/x
  3. Step 3: Cross multiply
    363,317.75x = 545,064.15 × 113,999.75
  4. Step 4: Simplify right side
    363,317.75x = 62,137,176,833.96
  5. Step 5: Solve for x
    x = 62,137,176,833.96/363,317.75
  6. Step 6: Final answer
    x = 171,027.09

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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.