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Finding the Fourth Proportional to 117,382.56, 175,922.88 and 53,293.92

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Solution

The fourth proportional to 117,382.56, 175,922.88 and 53,293.92 is: 79,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,382.56 : 175,922.88 = 53,293.92 : x
  2. Step 2: Convert to fraction form
    117,382.56/175,922.88 = 53,293.92/x
  3. Step 3: Cross multiply
    117,382.56x = 175,922.88 × 53,293.92
  4. Step 4: Simplify right side
    117,382.56x = 9,375,619,892.89
  5. Step 5: Solve for x
    x = 9,375,619,892.89/117,382.56
  6. Step 6: Final answer
    x = 79,872.34

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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.