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Finding the Fourth Proportional to 118,504.15, 177,738.74 and 43,606.89

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Solution

The fourth proportional to 118,504.15, 177,738.74 and 43,606.89 is: 65,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,504.15 : 177,738.74 = 43,606.89 : x
  2. Step 2: Convert to fraction form
    118,504.15/177,738.74 = 43,606.89/x
  3. Step 3: Cross multiply
    118,504.15x = 177,738.74 × 43,606.89
  4. Step 4: Simplify right side
    118,504.15x = 7,750,633,629.41
  5. Step 5: Solve for x
    x = 7,750,633,629.41/118,504.15
  6. Step 6: Final answer
    x = 65,403.90

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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.