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Finding the Fourth Proportional to 157,789.62, 236,686.52 and 52,608.62

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Solution

The fourth proportional to 157,789.62, 236,686.52 and 52,608.62 is: 78,913.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,789.62 : 236,686.52 = 52,608.62 : x
  2. Step 2: Convert to fraction form
    157,789.62/236,686.52 = 52,608.62/x
  3. Step 3: Cross multiply
    157,789.62x = 236,686.52 × 52,608.62
  4. Step 4: Simplify right side
    157,789.62x = 12,451,751,189.80
  5. Step 5: Solve for x
    x = 12,451,751,189.80/157,789.62
  6. Step 6: Final answer
    x = 78,913.63

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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.