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Finding the Fourth Proportional to 117,956.60, 176,589.30 and 104,132.60

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Solution

The fourth proportional to 117,956.60, 176,589.30 and 104,132.60 is: 155,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,956.60 : 176,589.30 = 104,132.60 : x
  2. Step 2: Convert to fraction form
    117,956.60/176,589.30 = 104,132.60/x
  3. Step 3: Cross multiply
    117,956.60x = 176,589.30 × 104,132.60
  4. Step 4: Simplify right side
    117,956.60x = 18,388,702,941.18
  5. Step 5: Solve for x
    x = 18,388,702,941.18/117,956.60
  6. Step 6: Final answer
    x = 155,893.80

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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.