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Finding the Fourth Proportional to 118,676.95, 178,029.36 and 41,716.42

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Solution

The fourth proportional to 118,676.95, 178,029.36 and 41,716.42 is: 62,579.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,676.95 : 178,029.36 = 41,716.42 : x
  2. Step 2: Convert to fraction form
    118,676.95/178,029.36 = 41,716.42/x
  3. Step 3: Cross multiply
    118,676.95x = 178,029.36 × 41,716.42
  4. Step 4: Simplify right side
    118,676.95x = 7,426,747,109.02
  5. Step 5: Solve for x
    x = 7,426,747,109.02/118,676.95
  6. Step 6: Final answer
    x = 62,579.53

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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.