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Finding the Fourth Proportional to 252,168.76, 347,857.62 and 161,427.10

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Solution

The fourth proportional to 252,168.76, 347,857.62 and 161,427.10 is: 222,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,168.76 : 347,857.62 = 161,427.10 : x
  2. Step 2: Convert to fraction form
    252,168.76/347,857.62 = 161,427.10/x
  3. Step 3: Cross multiply
    252,168.76x = 347,857.62 × 161,427.10
  4. Step 4: Simplify right side
    252,168.76x = 56,153,646,809.50
  5. Step 5: Solve for x
    x = 56,153,646,809.50/252,168.76
  6. Step 6: Final answer
    x = 222,682.80

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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.