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Finding the Fourth Proportional to 163,732.88, 245,466.27 and 73,709.48

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Solution

The fourth proportional to 163,732.88, 245,466.27 and 73,709.48 is: 110,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,732.88 : 245,466.27 = 73,709.48 : x
  2. Step 2: Convert to fraction form
    163,732.88/245,466.27 = 73,709.48/x
  3. Step 3: Cross multiply
    163,732.88x = 245,466.27 × 73,709.48
  4. Step 4: Simplify right side
    163,732.88x = 18,093,189,891.91
  5. Step 5: Solve for x
    x = 18,093,189,891.91/163,732.88
  6. Step 6: Final answer
    x = 110,504.32

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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.