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Finding the Fourth Proportional to 252,166.76, 347,854.87 and 161,425.09

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Solution

The fourth proportional to 252,166.76, 347,854.87 and 161,425.09 is: 222,680.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,166.76 : 347,854.87 = 161,425.09 : x
  2. Step 2: Convert to fraction form
    252,166.76/347,854.87 = 161,425.09/x
  3. Step 3: Cross multiply
    252,166.76x = 347,854.87 × 161,425.09
  4. Step 4: Simplify right side
    252,166.76x = 56,152,503,696.69
  5. Step 5: Solve for x
    x = 56,152,503,696.69/252,166.76
  6. Step 6: Final answer
    x = 222,680.04

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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.