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Finding the Fourth Proportional to 118,383.81, 177,584.93 and 39,497.98

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Solution

The fourth proportional to 118,383.81, 177,584.93 and 39,497.98 is: 59,250.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,383.81 : 177,584.93 = 39,497.98 : x
  2. Step 2: Convert to fraction form
    118,383.81/177,584.93 = 39,497.98/x
  3. Step 3: Cross multiply
    118,383.81x = 177,584.93 × 39,497.98
  4. Step 4: Simplify right side
    118,383.81x = 7,014,245,668.22
  5. Step 5: Solve for x
    x = 7,014,245,668.22/118,383.81
  6. Step 6: Final answer
    x = 59,250.04

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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.