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Finding the Fourth Proportional to 168,043.68, 252,104.72 and 55,715.68

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Solution

The fourth proportional to 168,043.68, 252,104.72 and 55,715.68 is: 83,586.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,043.68 : 252,104.72 = 55,715.68 : x
  2. Step 2: Convert to fraction form
    168,043.68/252,104.72 = 55,715.68/x
  3. Step 3: Cross multiply
    168,043.68x = 252,104.72 × 55,715.68
  4. Step 4: Simplify right side
    168,043.68x = 14,046,185,906.01
  5. Step 5: Solve for x
    x = 14,046,185,906.01/168,043.68
  6. Step 6: Final answer
    x = 83,586.52

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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.