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Finding the Fourth Proportional to 169,191.57, 253,819.40 and 67,997.49

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Solution

The fourth proportional to 169,191.57, 253,819.40 and 67,997.49 is: 102,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,191.57 : 253,819.40 = 67,997.49 : x
  2. Step 2: Convert to fraction form
    169,191.57/253,819.40 = 67,997.49/x
  3. Step 3: Cross multiply
    169,191.57x = 253,819.40 × 67,997.49
  4. Step 4: Simplify right side
    169,191.57x = 17,259,082,113.31
  5. Step 5: Solve for x
    x = 17,259,082,113.31/169,191.57
  6. Step 6: Final answer
    x = 102,009.11

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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.