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Finding the Fourth Proportional to 67,969.90, 93,805.82 and 41,127.21

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Solution

The fourth proportional to 67,969.90, 93,805.82 and 41,127.21 is: 56,760.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,969.90 : 93,805.82 = 41,127.21 : x
  2. Step 2: Convert to fraction form
    67,969.90/93,805.82 = 41,127.21/x
  3. Step 3: Cross multiply
    67,969.90x = 93,805.82 × 41,127.21
  4. Step 4: Simplify right side
    67,969.90x = 3,857,971,658.36
  5. Step 5: Solve for x
    x = 3,857,971,658.36/67,969.90
  6. Step 6: Final answer
    x = 56,760.00

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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.