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Finding the Fourth Proportional to 118,550.44, 177,812.70 and 35,425

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Solution

The fourth proportional to 118,550.44, 177,812.70 and 35,425 is: 53,133.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,550.44 : 177,812.70 = 35,425 : x
  2. Step 2: Convert to fraction form
    118,550.44/177,812.70 = 35,425/x
  3. Step 3: Cross multiply
    118,550.44x = 177,812.70 × 35,425
  4. Step 4: Simplify right side
    118,550.44x = 6,299,014,897.50
  5. Step 5: Solve for x
    x = 6,299,014,897.50/118,550.44
  6. Step 6: Final answer
    x = 53,133.63

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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.