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Finding the Fourth Proportional to 121,798.88, 182,676.74 and 33,059.28

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Solution

The fourth proportional to 121,798.88, 182,676.74 and 33,059.28 is: 49,583.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,798.88 : 182,676.74 = 33,059.28 : x
  2. Step 2: Convert to fraction form
    121,798.88/182,676.74 = 33,059.28/x
  3. Step 3: Cross multiply
    121,798.88x = 182,676.74 × 33,059.28
  4. Step 4: Simplify right side
    121,798.88x = 6,039,161,331.85
  5. Step 5: Solve for x
    x = 6,039,161,331.85/121,798.88
  6. Step 6: Final answer
    x = 49,583.06

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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.