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Finding the Fourth Proportional to 169,435.60, 253,861.80 and 110,240.80

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Solution

The fourth proportional to 169,435.60, 253,861.80 and 110,240.80 is: 165,171.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,435.60 : 253,861.80 = 110,240.80 : x
  2. Step 2: Convert to fraction form
    169,435.60/253,861.80 = 110,240.80/x
  3. Step 3: Cross multiply
    169,435.60x = 253,861.80 × 110,240.80
  4. Step 4: Simplify right side
    169,435.60x = 27,985,927,921.44
  5. Step 5: Solve for x
    x = 27,985,927,921.44/169,435.60
  6. Step 6: Final answer
    x = 165,171.47

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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.