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Finding the Fourth Proportional to 80,262.60, 110,763.20 and 48,425.34

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Solution

The fourth proportional to 80,262.60, 110,763.20 and 48,425.34 is: 66,827.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,262.60 : 110,763.20 = 48,425.34 : x
  2. Step 2: Convert to fraction form
    80,262.60/110,763.20 = 48,425.34/x
  3. Step 3: Cross multiply
    80,262.60x = 110,763.20 × 48,425.34
  4. Step 4: Simplify right side
    80,262.60x = 5,363,745,883.52
  5. Step 5: Solve for x
    x = 5,363,745,883.52/80,262.60
  6. Step 6: Final answer
    x = 66,827.47

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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.