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Finding the Fourth Proportional to 169,274.12, 253,634.13 and 102,734.63

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Solution

The fourth proportional to 169,274.12, 253,634.13 and 102,734.63 is: 153,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,274.12 : 253,634.13 = 102,734.63 : x
  2. Step 2: Convert to fraction form
    169,274.12/253,634.13 = 102,734.63/x
  3. Step 3: Cross multiply
    169,274.12x = 253,634.13 × 102,734.63
  4. Step 4: Simplify right side
    169,274.12x = 26,057,008,500.92
  5. Step 5: Solve for x
    x = 26,057,008,500.92/169,274.12
  6. Step 6: Final answer
    x = 153,933.80

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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.