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Finding the Fourth Proportional to 71,694.48, 98,945.94 and 41,070.02

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Solution

The fourth proportional to 71,694.48, 98,945.94 and 41,070.02 is: 56,680.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,694.48 : 98,945.94 = 41,070.02 : x
  2. Step 2: Convert to fraction form
    71,694.48/98,945.94 = 41,070.02/x
  3. Step 3: Cross multiply
    71,694.48x = 98,945.94 × 41,070.02
  4. Step 4: Simplify right side
    71,694.48x = 4,063,711,239.99
  5. Step 5: Solve for x
    x = 4,063,711,239.99/71,694.48
  6. Step 6: Final answer
    x = 56,680.95

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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.