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Finding the Fourth Proportional to 104,086.79, 156,133.17 and 33,009.77

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Solution

The fourth proportional to 104,086.79, 156,133.17 and 33,009.77 is: 49,515.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,086.79 : 156,133.17 = 33,009.77 : x
  2. Step 2: Convert to fraction form
    104,086.79/156,133.17 = 33,009.77/x
  3. Step 3: Cross multiply
    104,086.79x = 156,133.17 × 33,009.77
  4. Step 4: Simplify right side
    104,086.79x = 5,153,919,250.41
  5. Step 5: Solve for x
    x = 5,153,919,250.41/104,086.79
  6. Step 6: Final answer
    x = 49,515.59

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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.