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Finding the Fourth Proportional to 80,219.47, 110,668.10 and 48,370.67

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Solution

The fourth proportional to 80,219.47, 110,668.10 and 48,370.67 is: 66,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,219.47 : 110,668.10 = 48,370.67 : x
  2. Step 2: Convert to fraction form
    80,219.47/110,668.10 = 48,370.67/x
  3. Step 3: Cross multiply
    80,219.47x = 110,668.10 × 48,370.67
  4. Step 4: Simplify right side
    80,219.47x = 5,353,090,144.63
  5. Step 5: Solve for x
    x = 5,353,090,144.63/80,219.47
  6. Step 6: Final answer
    x = 66,730.56

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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.