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Finding the Fourth Proportional to 251,642.63, 347,153.96 and 169,944.35

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Solution

The fourth proportional to 251,642.63, 347,153.96 and 169,944.35 is: 234,446.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,642.63 : 347,153.96 = 169,944.35 : x
  2. Step 2: Convert to fraction form
    251,642.63/347,153.96 = 169,944.35/x
  3. Step 3: Cross multiply
    251,642.63x = 347,153.96 × 169,944.35
  4. Step 4: Simplify right side
    251,642.63x = 58,996,852,771.22
  5. Step 5: Solve for x
    x = 58,996,852,771.22/251,642.63
  6. Step 6: Final answer
    x = 234,446.97

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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.