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Finding the Fourth Proportional to 104,002.76, 156,001.80 and 33,881.60

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Solution

The fourth proportional to 104,002.76, 156,001.80 and 33,881.60 is: 50,821.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,002.76 : 156,001.80 = 33,881.60 : x
  2. Step 2: Convert to fraction form
    104,002.76/156,001.80 = 33,881.60/x
  3. Step 3: Cross multiply
    104,002.76x = 156,001.80 × 33,881.60
  4. Step 4: Simplify right side
    104,002.76x = 5,285,590,586.88
  5. Step 5: Solve for x
    x = 5,285,590,586.88/104,002.76
  6. Step 6: Final answer
    x = 50,821.64

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1.5x scale

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.