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Finding the Fourth Proportional to 168,281.96, 252,424.35 and 49,953.31

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Solution

The fourth proportional to 168,281.96, 252,424.35 and 49,953.31 is: 74,930.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,281.96 : 252,424.35 = 49,953.31 : x
  2. Step 2: Convert to fraction form
    168,281.96/252,424.35 = 49,953.31/x
  3. Step 3: Cross multiply
    168,281.96x = 252,424.35 × 49,953.31
  4. Step 4: Simplify right side
    168,281.96x = 12,609,431,176.04
  5. Step 5: Solve for x
    x = 12,609,431,176.04/168,281.96
  6. Step 6: Final answer
    x = 74,930.38

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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.