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Finding the Fourth Proportional to 168,684.34, 253,017.87 and 50,356.66

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Solution

The fourth proportional to 168,684.34, 253,017.87 and 50,356.66 is: 75,532.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,684.34 : 253,017.87 = 50,356.66 : x
  2. Step 2: Convert to fraction form
    168,684.34/253,017.87 = 50,356.66/x
  3. Step 3: Cross multiply
    168,684.34x = 253,017.87 × 50,356.66
  4. Step 4: Simplify right side
    168,684.34x = 12,741,134,853.51
  5. Step 5: Solve for x
    x = 12,741,134,853.51/168,684.34
  6. Step 6: Final answer
    x = 75,532.41

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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.