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Finding the Fourth Proportional to 80,230.48, 110,736.65 and 53,374.12

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Solution

The fourth proportional to 80,230.48, 110,736.65 and 53,374.12 is: 73,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,230.48 : 110,736.65 = 53,374.12 : x
  2. Step 2: Convert to fraction form
    80,230.48/110,736.65 = 53,374.12/x
  3. Step 3: Cross multiply
    80,230.48x = 110,736.65 × 53,374.12
  4. Step 4: Simplify right side
    80,230.48x = 5,910,470,424.94
  5. Step 5: Solve for x
    x = 5,910,470,424.94/80,230.48
  6. Step 6: Final answer
    x = 73,668.65

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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.