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Finding the Fourth Proportional to 118,540.39, 177,623.31 and 96,244.84

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Solution

The fourth proportional to 118,540.39, 177,623.31 and 96,244.84 is: 144,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,540.39 : 177,623.31 = 96,244.84 : x
  2. Step 2: Convert to fraction form
    118,540.39/177,623.31 = 96,244.84/x
  3. Step 3: Cross multiply
    118,540.39x = 177,623.31 × 96,244.84
  4. Step 4: Simplify right side
    118,540.39x = 17,095,327,051.22
  5. Step 5: Solve for x
    x = 17,095,327,051.22/118,540.39
  6. Step 6: Final answer
    x = 144,215.21

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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.