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Finding the Fourth Proportional to 194,652.96, 268,612.92 and 109,777.92

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Solution

The fourth proportional to 194,652.96, 268,612.92 and 109,777.92 is: 151,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,652.96 : 268,612.92 = 109,777.92 : x
  2. Step 2: Convert to fraction form
    194,652.96/268,612.92 = 109,777.92/x
  3. Step 3: Cross multiply
    194,652.96x = 268,612.92 × 109,777.92
  4. Step 4: Simplify right side
    194,652.96x = 29,487,767,642.73
  5. Step 5: Solve for x
    x = 29,487,767,642.73/194,652.96
  6. Step 6: Final answer
    x = 151,488.92

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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.