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Finding the Fourth Proportional to 158,481.90, 237,747.96 and 51,830.82

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Solution

The fourth proportional to 158,481.90, 237,747.96 and 51,830.82 is: 77,754.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,481.90 : 237,747.96 = 51,830.82 : x
  2. Step 2: Convert to fraction form
    158,481.90/237,747.96 = 51,830.82/x
  3. Step 3: Cross multiply
    158,481.90x = 237,747.96 × 51,830.82
  4. Step 4: Simplify right side
    158,481.90x = 12,322,671,720.13
  5. Step 5: Solve for x
    x = 12,322,671,720.13/158,481.90
  6. Step 6: Final answer
    x = 77,754.44

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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.