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Finding the Fourth Proportional to 250,524.50, 345,905.25 and 161,256.02

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Solution

The fourth proportional to 250,524.50, 345,905.25 and 161,256.02 is: 222,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,524.50 : 345,905.25 = 161,256.02 : x
  2. Step 2: Convert to fraction form
    250,524.50/345,905.25 = 161,256.02/x
  3. Step 3: Cross multiply
    250,524.50x = 345,905.25 × 161,256.02
  4. Step 4: Simplify right side
    250,524.50x = 55,779,303,912.11
  5. Step 5: Solve for x
    x = 55,779,303,912.11/250,524.50
  6. Step 6: Final answer
    x = 222,650.10

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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.