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Finding the Fourth Proportional to 169,434.60, 253,860.30 and 110,239.80

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Solution

The fourth proportional to 169,434.60, 253,860.30 and 110,239.80 is: 165,169.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,434.60 : 253,860.30 = 110,239.80 : x
  2. Step 2: Convert to fraction form
    169,434.60/253,860.30 = 110,239.80/x
  3. Step 3: Cross multiply
    169,434.60x = 253,860.30 × 110,239.80
  4. Step 4: Simplify right side
    169,434.60x = 27,985,508,699.94
  5. Step 5: Solve for x
    x = 27,985,508,699.94/169,434.60
  6. Step 6: Final answer
    x = 165,169.98

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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.