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Finding the Fourth Proportional to 117,768.40, 176,591.80 and 34,651.60

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Solution

The fourth proportional to 117,768.40, 176,591.80 and 34,651.60 is: 51,959.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,768.40 : 176,591.80 = 34,651.60 : x
  2. Step 2: Convert to fraction form
    117,768.40/176,591.80 = 34,651.60/x
  3. Step 3: Cross multiply
    117,768.40x = 176,591.80 × 34,651.60
  4. Step 4: Simplify right side
    117,768.40x = 6,119,188,416.88
  5. Step 5: Solve for x
    x = 6,119,188,416.88/117,768.40
  6. Step 6: Final answer
    x = 51,959.51

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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.