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Finding the Fourth Proportional to 171,766.98, 237,112.65 and 161,006.94

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Solution

The fourth proportional to 171,766.98, 237,112.65 and 161,006.94 is: 222,259.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,766.98 : 237,112.65 = 161,006.94 : x
  2. Step 2: Convert to fraction form
    171,766.98/237,112.65 = 161,006.94/x
  3. Step 3: Cross multiply
    171,766.98x = 237,112.65 × 161,006.94
  4. Step 4: Simplify right side
    171,766.98x = 38,176,782,211.79
  5. Step 5: Solve for x
    x = 38,176,782,211.79/171,766.98
  6. Step 6: Final answer
    x = 222,259.15

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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.