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Finding the Fourth Proportional to 148,008.62, 204,248.84 and 80,940.62

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Solution

The fourth proportional to 148,008.62, 204,248.84 and 80,940.62 is: 111,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,008.62 : 204,248.84 = 80,940.62 : x
  2. Step 2: Convert to fraction form
    148,008.62/204,248.84 = 80,940.62/x
  3. Step 3: Cross multiply
    148,008.62x = 204,248.84 × 80,940.62
  4. Step 4: Simplify right side
    148,008.62x = 16,532,027,743.88
  5. Step 5: Solve for x
    x = 16,532,027,743.88/148,008.62
  6. Step 6: Final answer
    x = 111,696.38

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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.