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Finding the Fourth Proportional to 104,730.30, 144,524.97 and 56,982.63

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Solution

The fourth proportional to 104,730.30, 144,524.97 and 56,982.63 is: 78,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,730.30 : 144,524.97 = 56,982.63 : x
  2. Step 2: Convert to fraction form
    104,730.30/144,524.97 = 56,982.63/x
  3. Step 3: Cross multiply
    104,730.30x = 144,524.97 × 56,982.63
  4. Step 4: Simplify right side
    104,730.30x = 8,235,412,891.27
  5. Step 5: Solve for x
    x = 8,235,412,891.27/104,730.30
  6. Step 6: Final answer
    x = 78,634.48

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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.