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Finding the Fourth Proportional to 68,046.81, 93,899.27 and 37,830.29

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Solution

The fourth proportional to 68,046.81, 93,899.27 and 37,830.29 is: 52,202.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,046.81 : 93,899.27 = 37,830.29 : x
  2. Step 2: Convert to fraction form
    68,046.81/93,899.27 = 37,830.29/x
  3. Step 3: Cross multiply
    68,046.81x = 93,899.27 × 37,830.29
  4. Step 4: Simplify right side
    68,046.81x = 3,552,236,660.49
  5. Step 5: Solve for x
    x = 3,552,236,660.49/68,046.81
  6. Step 6: Final answer
    x = 52,202.84

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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.