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Finding the Fourth Proportional to 116,936.60, 175,379.72 and 36,980.82

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Solution

The fourth proportional to 116,936.60, 175,379.72 and 36,980.82 is: 55,463.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,936.60 : 175,379.72 = 36,980.82 : x
  2. Step 2: Convert to fraction form
    116,936.60/175,379.72 = 36,980.82/x
  3. Step 3: Cross multiply
    116,936.60x = 175,379.72 × 36,980.82
  4. Step 4: Simplify right side
    116,936.60x = 6,485,685,672.07
  5. Step 5: Solve for x
    x = 6,485,685,672.07/116,936.60
  6. Step 6: Final answer
    x = 55,463.27

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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.