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Finding the Fourth Proportional to 168,083.06, 252,154.57 and 55,770.01

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Solution

The fourth proportional to 168,083.06, 252,154.57 and 55,770.01 is: 83,664.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,083.06 : 252,154.57 = 55,770.01 : x
  2. Step 2: Convert to fraction form
    168,083.06/252,154.57 = 55,770.01/x
  3. Step 3: Cross multiply
    168,083.06x = 252,154.57 × 55,770.01
  4. Step 4: Simplify right side
    168,083.06x = 14,062,662,890.45
  5. Step 5: Solve for x
    x = 14,062,662,890.45/168,083.06
  6. Step 6: Final answer
    x = 83,664.96

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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.