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Finding the Fourth Proportional to 80,245.62, 110,713.95 and 46,249.47

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Solution

The fourth proportional to 80,245.62, 110,713.95 and 46,249.47 is: 63,809.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,245.62 : 110,713.95 = 46,249.47 : x
  2. Step 2: Convert to fraction form
    80,245.62/110,713.95 = 46,249.47/x
  3. Step 3: Cross multiply
    80,245.62x = 110,713.95 × 46,249.47
  4. Step 4: Simplify right side
    80,245.62x = 5,120,461,509.11
  5. Step 5: Solve for x
    x = 5,120,461,509.11/80,245.62
  6. Step 6: Final answer
    x = 63,809.86

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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.