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Finding the Fourth Proportional to 179,781.40, 269,672.12 and 168,700.60

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Solution

The fourth proportional to 179,781.40, 269,672.12 and 168,700.60 is: 253,050.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,781.40 : 269,672.12 = 168,700.60 : x
  2. Step 2: Convert to fraction form
    179,781.40/269,672.12 = 168,700.60/x
  3. Step 3: Cross multiply
    179,781.40x = 269,672.12 × 168,700.60
  4. Step 4: Simplify right side
    179,781.40x = 45,493,848,447.27
  5. Step 5: Solve for x
    x = 45,493,848,447.27/179,781.40
  6. Step 6: Final answer
    x = 253,050.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.