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Finding the Fourth Proportional to 144,665.54, 199,592.31 and 93,717.33

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Solution

The fourth proportional to 144,665.54, 199,592.31 and 93,717.33 is: 129,300.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,665.54 : 199,592.31 = 93,717.33 : x
  2. Step 2: Convert to fraction form
    144,665.54/199,592.31 = 93,717.33/x
  3. Step 3: Cross multiply
    144,665.54x = 199,592.31 × 93,717.33
  4. Step 4: Simplify right side
    144,665.54x = 18,705,257,984.70
  5. Step 5: Solve for x
    x = 18,705,257,984.70/144,665.54
  6. Step 6: Final answer
    x = 129,300.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.