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Finding the Fourth Proportional to 68,086.40, 93,958.48 and 37,871.52

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Solution

The fourth proportional to 68,086.40, 93,958.48 and 37,871.52 is: 52,262.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,086.40 : 93,958.48 = 37,871.52 : x
  2. Step 2: Convert to fraction form
    68,086.40/93,958.48 = 37,871.52/x
  3. Step 3: Cross multiply
    68,086.40x = 93,958.48 × 37,871.52
  4. Step 4: Simplify right side
    68,086.40x = 3,558,350,454.49
  5. Step 5: Solve for x
    x = 3,558,350,454.49/68,086.40
  6. Step 6: Final answer
    x = 52,262.28

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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.