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Finding the Fourth Proportional to 363,155.80, 544,733.70 and 96,917.26

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Solution

The fourth proportional to 363,155.80, 544,733.70 and 96,917.26 is: 145,375.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,155.80 : 544,733.70 = 96,917.26 : x
  2. Step 2: Convert to fraction form
    363,155.80/544,733.70 = 96,917.26/x
  3. Step 3: Cross multiply
    363,155.80x = 544,733.70 × 96,917.26
  4. Step 4: Simplify right side
    363,155.80x = 52,794,097,633.66
  5. Step 5: Solve for x
    x = 52,794,097,633.66/363,155.80
  6. Step 6: Final answer
    x = 145,375.89

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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.