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Finding the Fourth Proportional to 104,603.78, 156,856.26 and 37,997.48

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Solution

The fourth proportional to 104,603.78, 156,856.26 and 37,997.48 is: 56,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,603.78 : 156,856.26 = 37,997.48 : x
  2. Step 2: Convert to fraction form
    104,603.78/156,856.26 = 37,997.48/x
  3. Step 3: Cross multiply
    104,603.78x = 156,856.26 × 37,997.48
  4. Step 4: Simplify right side
    104,603.78x = 5,960,142,602.22
  5. Step 5: Solve for x
    x = 5,960,142,602.22/104,603.78
  6. Step 6: Final answer
    x = 56,978.27

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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.