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Finding the Fourth Proportional to 177,936.39, 266,907.67 and 65,558.76

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Solution

The fourth proportional to 177,936.39, 266,907.67 and 65,558.76 is: 98,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,936.39 : 266,907.67 = 65,558.76 : x
  2. Step 2: Convert to fraction form
    177,936.39/266,907.67 = 65,558.76/x
  3. Step 3: Cross multiply
    177,936.39x = 266,907.67 × 65,558.76
  4. Step 4: Simplify right side
    177,936.39x = 17,498,135,879.69
  5. Step 5: Solve for x
    x = 17,498,135,879.69/177,936.39
  6. Step 6: Final answer
    x = 98,339.28

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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.