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Finding the Fourth Proportional to 104,393.75, 156,513.94 and 33,275.45

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Solution

The fourth proportional to 104,393.75, 156,513.94 and 33,275.45 is: 49,888.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,393.75 : 156,513.94 = 33,275.45 : x
  2. Step 2: Convert to fraction form
    104,393.75/156,513.94 = 33,275.45/x
  3. Step 3: Cross multiply
    104,393.75x = 156,513.94 × 33,275.45
  4. Step 4: Simplify right side
    104,393.75x = 5,208,072,092.87
  5. Step 5: Solve for x
    x = 5,208,072,092.87/104,393.75
  6. Step 6: Final answer
    x = 49,888.74

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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.