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Finding the Fourth Proportional to 186,634.98, 280,068.57 and 75,826.98

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Solution

The fourth proportional to 186,634.98, 280,068.57 and 75,826.98 is: 113,787.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,634.98 : 280,068.57 = 75,826.98 : x
  2. Step 2: Convert to fraction form
    186,634.98/280,068.57 = 75,826.98/x
  3. Step 3: Cross multiply
    186,634.98x = 280,068.57 × 75,826.98
  4. Step 4: Simplify right side
    186,634.98x = 21,236,753,856.02
  5. Step 5: Solve for x
    x = 21,236,753,856.02/186,634.98
  6. Step 6: Final answer
    x = 113,787.64

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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.