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Finding the Fourth Proportional to 103,276.34, 154,914.54 and 33,204.86

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Solution

The fourth proportional to 103,276.34, 154,914.54 and 33,204.86 is: 49,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,276.34 : 154,914.54 = 33,204.86 : x
  2. Step 2: Convert to fraction form
    103,276.34/154,914.54 = 33,204.86/x
  3. Step 3: Cross multiply
    103,276.34x = 154,914.54 × 33,204.86
  4. Step 4: Simplify right side
    103,276.34x = 5,143,915,612.66
  5. Step 5: Solve for x
    x = 5,143,915,612.66/103,276.34
  6. Step 6: Final answer
    x = 49,807.30

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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.