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Finding the Fourth Proportional to 191,451.92, 264,228.44 and 109,812.02

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Solution

The fourth proportional to 191,451.92, 264,228.44 and 109,812.02 is: 151,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,451.92 : 264,228.44 = 109,812.02 : x
  2. Step 2: Convert to fraction form
    191,451.92/264,228.44 = 109,812.02/x
  3. Step 3: Cross multiply
    191,451.92x = 264,228.44 × 109,812.02
  4. Step 4: Simplify right side
    191,451.92x = 29,015,456,867.65
  5. Step 5: Solve for x
    x = 29,015,456,867.65/191,451.92
  6. Step 6: Final answer
    x = 151,554.80

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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.