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Finding the Fourth Proportional to 163,466.52, 225,709.76 and 131,776.88

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Solution

The fourth proportional to 163,466.52, 225,709.76 and 131,776.88 is: 181,953.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,466.52 : 225,709.76 = 131,776.88 : x
  2. Step 2: Convert to fraction form
    163,466.52/225,709.76 = 131,776.88/x
  3. Step 3: Cross multiply
    163,466.52x = 225,709.76 × 131,776.88
  4. Step 4: Simplify right side
    163,466.52x = 29,743,327,958.35
  5. Step 5: Solve for x
    x = 29,743,327,958.35/163,466.52
  6. Step 6: Final answer
    x = 181,953.64

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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.