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Finding the Fourth Proportional to 157,536.92, 217,392.30 and 89,544.44

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Solution

The fourth proportional to 157,536.92, 217,392.30 and 89,544.44 is: 123,566.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,536.92 : 217,392.30 = 89,544.44 : x
  2. Step 2: Convert to fraction form
    157,536.92/217,392.30 = 89,544.44/x
  3. Step 3: Cross multiply
    157,536.92x = 217,392.30 × 89,544.44
  4. Step 4: Simplify right side
    157,536.92x = 19,466,270,676.85
  5. Step 5: Solve for x
    x = 19,466,270,676.85/157,536.92
  6. Step 6: Final answer
    x = 123,566.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.