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Finding the Fourth Proportional to 169,793.40, 254,625.30 and 51,425.40

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Solution

The fourth proportional to 169,793.40, 254,625.30 and 51,425.40 is: 77,118.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,793.40 : 254,625.30 = 51,425.40 : x
  2. Step 2: Convert to fraction form
    169,793.40/254,625.30 = 51,425.40/x
  3. Step 3: Cross multiply
    169,793.40x = 254,625.30 × 51,425.40
  4. Step 4: Simplify right side
    169,793.40x = 13,094,207,902.62
  5. Step 5: Solve for x
    x = 13,094,207,902.62/169,793.40
  6. Step 6: Final answer
    x = 77,118.47

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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.