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Finding the Fourth Proportional to 104,425.39, 156,652.67 and 51,820.75

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Solution

The fourth proportional to 104,425.39, 156,652.67 and 51,820.75 is: 77,738.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,425.39 : 156,652.67 = 51,820.75 : x
  2. Step 2: Convert to fraction form
    104,425.39/156,652.67 = 51,820.75/x
  3. Step 3: Cross multiply
    104,425.39x = 156,652.67 × 51,820.75
  4. Step 4: Simplify right side
    104,425.39x = 8,117,858,848.90
  5. Step 5: Solve for x
    x = 8,117,858,848.90/104,425.39
  6. Step 6: Final answer
    x = 77,738.36

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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.