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Finding the Fourth Proportional to 93,635.20, 140,452.80 and 89,747.20

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Solution

The fourth proportional to 93,635.20, 140,452.80 and 89,747.20 is: 134,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,635.20 : 140,452.80 = 89,747.20 : x
  2. Step 2: Convert to fraction form
    93,635.20/140,452.80 = 89,747.20/x
  3. Step 3: Cross multiply
    93,635.20x = 140,452.80 × 89,747.20
  4. Step 4: Simplify right side
    93,635.20x = 12,605,245,532.16
  5. Step 5: Solve for x
    x = 12,605,245,532.16/93,635.20
  6. Step 6: Final answer
    x = 134,620.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.