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Finding the Fourth Proportional to 168,113.68, 252,207.42 and 49,794.28

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Solution

The fourth proportional to 168,113.68, 252,207.42 and 49,794.28 is: 74,702.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,113.68 : 252,207.42 = 49,794.28 : x
  2. Step 2: Convert to fraction form
    168,113.68/252,207.42 = 49,794.28/x
  3. Step 3: Cross multiply
    168,113.68x = 252,207.42 × 49,794.28
  4. Step 4: Simplify right side
    168,113.68x = 12,558,486,889.56
  5. Step 5: Solve for x
    x = 12,558,486,889.56/168,113.68
  6. Step 6: Final answer
    x = 74,702.35

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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.