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Finding the Fourth Proportional to 80,178.78, 110,658.44 and 46,180.72

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Solution

The fourth proportional to 80,178.78, 110,658.44 and 46,180.72 is: 63,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,178.78 : 110,658.44 = 46,180.72 : x
  2. Step 2: Convert to fraction form
    80,178.78/110,658.44 = 46,180.72/x
  3. Step 3: Cross multiply
    80,178.78x = 110,658.44 × 46,180.72
  4. Step 4: Simplify right side
    80,178.78x = 5,110,286,433.28
  5. Step 5: Solve for x
    x = 5,110,286,433.28/80,178.78
  6. Step 6: Final answer
    x = 63,736.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.