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Finding the Fourth Proportional to 168,671.55, 253,051.14 and 50,342.88

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Solution

The fourth proportional to 168,671.55, 253,051.14 and 50,342.88 is: 75,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,671.55 : 253,051.14 = 50,342.88 : x
  2. Step 2: Convert to fraction form
    168,671.55/253,051.14 = 50,342.88/x
  3. Step 3: Cross multiply
    168,671.55x = 253,051.14 × 50,342.88
  4. Step 4: Simplify right side
    168,671.55x = 12,739,323,174.88
  5. Step 5: Solve for x
    x = 12,739,323,174.88/168,671.55
  6. Step 6: Final answer
    x = 75,527.40

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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.