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Finding the Fourth Proportional to 194,887.92, 268,922.52 and 109,999.92

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Solution

The fourth proportional to 194,887.92, 268,922.52 and 109,999.92 is: 151,787.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,887.92 : 268,922.52 = 109,999.92 : x
  2. Step 2: Convert to fraction form
    194,887.92/268,922.52 = 109,999.92/x
  3. Step 3: Cross multiply
    194,887.92x = 268,922.52 × 109,999.92
  4. Step 4: Simplify right side
    194,887.92x = 29,581,455,686.20
  5. Step 5: Solve for x
    x = 29,581,455,686.20/194,887.92
  6. Step 6: Final answer
    x = 151,787.02

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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.