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Finding the Fourth Proportional to 191,508.84, 264,272.07 and 109,832.87

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Solution

The fourth proportional to 191,508.84, 264,272.07 and 109,832.87 is: 151,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,508.84 : 264,272.07 = 109,832.87 : x
  2. Step 2: Convert to fraction form
    191,508.84/264,272.07 = 109,832.87/x
  3. Step 3: Cross multiply
    191,508.84x = 264,272.07 × 109,832.87
  4. Step 4: Simplify right side
    191,508.84x = 29,025,759,359.78
  5. Step 5: Solve for x
    x = 29,025,759,359.78/191,508.84
  6. Step 6: Final answer
    x = 151,563.55

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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.