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Finding the Fourth Proportional to 118,682.72, 178,017.60 and 29,936.24

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Solution

The fourth proportional to 118,682.72, 178,017.60 and 29,936.24 is: 44,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,682.72 : 178,017.60 = 29,936.24 : x
  2. Step 2: Convert to fraction form
    118,682.72/178,017.60 = 29,936.24/x
  3. Step 3: Cross multiply
    118,682.72x = 178,017.60 × 29,936.24
  4. Step 4: Simplify right side
    118,682.72x = 5,329,177,597.82
  5. Step 5: Solve for x
    x = 5,329,177,597.82/118,682.72
  6. Step 6: Final answer
    x = 44,902.73

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1.5x scale

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.