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Finding the Fourth Proportional to 161,969.63, 242,991.09 and 62,176.82

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Solution

The fourth proportional to 161,969.63, 242,991.09 and 62,176.82 is: 93,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,969.63 : 242,991.09 = 62,176.82 : x
  2. Step 2: Convert to fraction form
    161,969.63/242,991.09 = 62,176.82/x
  3. Step 3: Cross multiply
    161,969.63x = 242,991.09 × 62,176.82
  4. Step 4: Simplify right side
    161,969.63x = 15,108,412,049.58
  5. Step 5: Solve for x
    x = 15,108,412,049.58/161,969.63
  6. Step 6: Final answer
    x = 93,279.29

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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.