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Finding the Fourth Proportional to 118,571.67, 177,918.84 and 52,058.52

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Solution

The fourth proportional to 118,571.67, 177,918.84 and 52,058.52 is: 78,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,571.67 : 177,918.84 = 52,058.52 : x
  2. Step 2: Convert to fraction form
    118,571.67/177,918.84 = 52,058.52/x
  3. Step 3: Cross multiply
    118,571.67x = 177,918.84 × 52,058.52
  4. Step 4: Simplify right side
    118,571.67x = 9,262,191,490.52
  5. Step 5: Solve for x
    x = 9,262,191,490.52/118,571.67
  6. Step 6: Final answer
    x = 78,114.71

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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.