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Finding the Fourth Proportional to 117,958.60, 176,592.30 and 104,134.60

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Solution

The fourth proportional to 117,958.60, 176,592.30 and 104,134.60 is: 155,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,958.60 : 176,592.30 = 104,134.60 : x
  2. Step 2: Convert to fraction form
    117,958.60/176,592.30 = 104,134.60/x
  3. Step 3: Cross multiply
    117,958.60x = 176,592.30 × 104,134.60
  4. Step 4: Simplify right side
    117,958.60x = 18,389,368,523.58
  5. Step 5: Solve for x
    x = 18,389,368,523.58/117,958.60
  6. Step 6: Final answer
    x = 155,896.80

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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.