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Finding the Fourth Proportional to 168,712.56, 253,069.14 and 50,374.59

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Solution

The fourth proportional to 168,712.56, 253,069.14 and 50,374.59 is: 75,561.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,712.56 : 253,069.14 = 50,374.59 : x
  2. Step 2: Convert to fraction form
    168,712.56/253,069.14 = 50,374.59/x
  3. Step 3: Cross multiply
    168,712.56x = 253,069.14 × 50,374.59
  4. Step 4: Simplify right side
    168,712.56x = 12,748,254,169.15
  5. Step 5: Solve for x
    x = 12,748,254,169.15/168,712.56
  6. Step 6: Final answer
    x = 75,561.97

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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.