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Finding the Fourth Proportional to 191,844.87, 287,679.83 and 92,052.06

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Solution

The fourth proportional to 191,844.87, 287,679.83 and 92,052.06 is: 138,036.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,844.87 : 287,679.83 = 92,052.06 : x
  2. Step 2: Convert to fraction form
    191,844.87/287,679.83 = 92,052.06/x
  3. Step 3: Cross multiply
    191,844.87x = 287,679.83 × 92,052.06
  4. Step 4: Simplify right side
    191,844.87x = 26,481,520,511.69
  5. Step 5: Solve for x
    x = 26,481,520,511.69/191,844.87
  6. Step 6: Final answer
    x = 138,036.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.