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Finding the Fourth Proportional to 169,793.90, 254,626.05 and 51,425.90

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Solution

The fourth proportional to 169,793.90, 254,626.05 and 51,425.90 is: 77,119.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,793.90 : 254,626.05 = 51,425.90 : x
  2. Step 2: Convert to fraction form
    169,793.90/254,626.05 = 51,425.90/x
  3. Step 3: Cross multiply
    169,793.90x = 254,626.05 × 51,425.90
  4. Step 4: Simplify right side
    169,793.90x = 13,094,373,784.70
  5. Step 5: Solve for x
    x = 13,094,373,784.70/169,793.90
  6. Step 6: Final answer
    x = 77,119.22

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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.