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Finding the Fourth Proportional to 118,553.37, 177,829.84 and 55,352.31

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Solution

The fourth proportional to 118,553.37, 177,829.84 and 55,352.31 is: 83,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,553.37 : 177,829.84 = 55,352.31 : x
  2. Step 2: Convert to fraction form
    118,553.37/177,829.84 = 55,352.31/x
  3. Step 3: Cross multiply
    118,553.37x = 177,829.84 × 55,352.31
  4. Step 4: Simplify right side
    118,553.37x = 9,843,292,430.93
  5. Step 5: Solve for x
    x = 9,843,292,430.93/118,553.37
  6. Step 6: Final answer
    x = 83,028.36

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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.