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Finding the Fourth Proportional to 104,038.60, 156,000.30 and 33,881.80

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Solution

The fourth proportional to 104,038.60, 156,000.30 and 33,881.80 is: 50,803.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,038.60 : 156,000.30 = 33,881.80 : x
  2. Step 2: Convert to fraction form
    104,038.60/156,000.30 = 33,881.80/x
  3. Step 3: Cross multiply
    104,038.60x = 156,000.30 × 33,881.80
  4. Step 4: Simplify right side
    104,038.60x = 5,285,570,964.54
  5. Step 5: Solve for x
    x = 5,285,570,964.54/104,038.60
  6. Step 6: Final answer
    x = 50,803.94

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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.