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Finding the Fourth Proportional to 68,110.40, 93,992.81 and 37,896.99

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Solution

The fourth proportional to 68,110.40, 93,992.81 and 37,896.99 is: 52,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,110.40 : 93,992.81 = 37,896.99 : x
  2. Step 2: Convert to fraction form
    68,110.40/93,992.81 = 37,896.99/x
  3. Step 3: Cross multiply
    68,110.40x = 93,992.81 × 37,896.99
  4. Step 4: Simplify right side
    68,110.40x = 3,562,044,580.64
  5. Step 5: Solve for x
    x = 3,562,044,580.64/68,110.40
  6. Step 6: Final answer
    x = 52,298.10

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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.