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Finding the Fourth Proportional to 235,559.94, 325,043.20 and 159,245.10

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Solution

The fourth proportional to 235,559.94, 325,043.20 and 159,245.10 is: 219,738.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,559.94 : 325,043.20 = 159,245.10 : x
  2. Step 2: Convert to fraction form
    235,559.94/325,043.20 = 159,245.10/x
  3. Step 3: Cross multiply
    235,559.94x = 325,043.20 × 159,245.10
  4. Step 4: Simplify right side
    235,559.94x = 51,761,536,888.32
  5. Step 5: Solve for x
    x = 51,761,536,888.32/235,559.94
  6. Step 6: Final answer
    x = 219,738.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.