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Finding the Fourth Proportional to 117,765.60, 176,621.86 and 33,523.90

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Solution

The fourth proportional to 117,765.60, 176,621.86 and 33,523.90 is: 50,278.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,765.60 : 176,621.86 = 33,523.90 : x
  2. Step 2: Convert to fraction form
    117,765.60/176,621.86 = 33,523.90/x
  3. Step 3: Cross multiply
    117,765.60x = 176,621.86 × 33,523.90
  4. Step 4: Simplify right side
    117,765.60x = 5,921,053,572.45
  5. Step 5: Solve for x
    x = 5,921,053,572.45/117,765.60
  6. Step 6: Final answer
    x = 50,278.29

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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.