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Finding the Fourth Proportional to 68,336.30, 102,504.45 and 63,670.70

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Solution

The fourth proportional to 68,336.30, 102,504.45 and 63,670.70 is: 95,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,336.30 : 102,504.45 = 63,670.70 : x
  2. Step 2: Convert to fraction form
    68,336.30/102,504.45 = 63,670.70/x
  3. Step 3: Cross multiply
    68,336.30x = 102,504.45 × 63,670.70
  4. Step 4: Simplify right side
    68,336.30x = 6,526,530,084.62
  5. Step 5: Solve for x
    x = 6,526,530,084.62/68,336.30
  6. Step 6: Final answer
    x = 95,506.05

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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.