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Finding the Fourth Proportional to 117,198.08, 175,411.94 and 63,808.54

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Solution

The fourth proportional to 117,198.08, 175,411.94 and 63,808.54 is: 95,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,198.08 : 175,411.94 = 63,808.54 : x
  2. Step 2: Convert to fraction form
    117,198.08/175,411.94 = 63,808.54/x
  3. Step 3: Cross multiply
    117,198.08x = 175,411.94 × 63,808.54
  4. Step 4: Simplify right side
    117,198.08x = 11,192,779,789.97
  5. Step 5: Solve for x
    x = 11,192,779,789.97/117,198.08
  6. Step 6: Final answer
    x = 95,503.10

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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.