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Finding the Fourth Proportional to 68,754.69, 94,881.34 and 41,897.25

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Solution

The fourth proportional to 68,754.69, 94,881.34 and 41,897.25 is: 57,818.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,754.69 : 94,881.34 = 41,897.25 : x
  2. Step 2: Convert to fraction form
    68,754.69/94,881.34 = 41,897.25/x
  3. Step 3: Cross multiply
    68,754.69x = 94,881.34 × 41,897.25
  4. Step 4: Simplify right side
    68,754.69x = 3,975,267,274.69
  5. Step 5: Solve for x
    x = 3,975,267,274.69/68,754.69
  6. Step 6: Final answer
    x = 57,818.13

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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.