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Finding the Fourth Proportional to 104,062.28, 156,086.80 and 29,180.84

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Solution

The fourth proportional to 104,062.28, 156,086.80 and 29,180.84 is: 43,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,062.28 : 156,086.80 = 29,180.84 : x
  2. Step 2: Convert to fraction form
    104,062.28/156,086.80 = 29,180.84/x
  3. Step 3: Cross multiply
    104,062.28x = 156,086.80 × 29,180.84
  4. Step 4: Simplify right side
    104,062.28x = 4,554,743,936.91
  5. Step 5: Solve for x
    x = 4,554,743,936.91/104,062.28
  6. Step 6: Final answer
    x = 43,769.40

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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.