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Finding the Fourth Proportional to 104,512.80, 156,810.76 and 33,446.40

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Solution

The fourth proportional to 104,512.80, 156,810.76 and 33,446.40 is: 50,182.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,512.80 : 156,810.76 = 33,446.40 : x
  2. Step 2: Convert to fraction form
    104,512.80/156,810.76 = 33,446.40/x
  3. Step 3: Cross multiply
    104,512.80x = 156,810.76 × 33,446.40
  4. Step 4: Simplify right side
    104,512.80x = 5,244,755,403.26
  5. Step 5: Solve for x
    x = 5,244,755,403.26/104,512.80
  6. Step 6: Final answer
    x = 50,182.90

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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.