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Finding the Fourth Proportional to 157,954.36, 236,727.42 and 118,199.56

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Solution

The fourth proportional to 157,954.36, 236,727.42 and 118,199.56 is: 177,146.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,954.36 : 236,727.42 = 118,199.56 : x
  2. Step 2: Convert to fraction form
    157,954.36/236,727.42 = 118,199.56/x
  3. Step 3: Cross multiply
    157,954.36x = 236,727.42 × 118,199.56
  4. Step 4: Simplify right side
    157,954.36x = 27,981,076,883.94
  5. Step 5: Solve for x
    x = 27,981,076,883.94/157,954.36
  6. Step 6: Final answer
    x = 177,146.59

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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.