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Finding the Fourth Proportional to 194,672.64, 268,632 and 109,810.56

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Solution

The fourth proportional to 194,672.64, 268,632 and 109,810.56 is: 151,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,672.64 : 268,632 = 109,810.56 : x
  2. Step 2: Convert to fraction form
    194,672.64/268,632 = 109,810.56/x
  3. Step 3: Cross multiply
    194,672.64x = 268,632 × 109,810.56
  4. Step 4: Simplify right side
    194,672.64x = 29,498,630,353.92
  5. Step 5: Solve for x
    x = 29,498,630,353.92/194,672.64
  6. Step 6: Final answer
    x = 151,529.41

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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.