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Finding the Fourth Proportional to 104,600.52, 156,978.54 and 57,944.52

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Solution

The fourth proportional to 104,600.52, 156,978.54 and 57,944.52 is: 86,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,600.52 : 156,978.54 = 57,944.52 : x
  2. Step 2: Convert to fraction form
    104,600.52/156,978.54 = 57,944.52/x
  3. Step 3: Cross multiply
    104,600.52x = 156,978.54 × 57,944.52
  4. Step 4: Simplify right side
    104,600.52x = 9,096,046,150.60
  5. Step 5: Solve for x
    x = 9,096,046,150.60/104,600.52
  6. Step 6: Final answer
    x = 86,959.86

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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.