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Finding the Fourth Proportional to 117,744.60, 176,357.70 and 104,611.80

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Solution

The fourth proportional to 117,744.60, 176,357.70 and 104,611.80 is: 156,687.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,744.60 : 176,357.70 = 104,611.80 : x
  2. Step 2: Convert to fraction form
    117,744.60/176,357.70 = 104,611.80/x
  3. Step 3: Cross multiply
    117,744.60x = 176,357.70 × 104,611.80
  4. Step 4: Simplify right side
    117,744.60x = 18,449,096,440.86
  5. Step 5: Solve for x
    x = 18,449,096,440.86/117,744.60
  6. Step 6: Final answer
    x = 156,687.41

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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.