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Finding the Fourth Proportional to 68,062.52, 93,928.42 and 37,849.11

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Solution

The fourth proportional to 68,062.52, 93,928.42 and 37,849.11 is: 52,232.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,062.52 : 93,928.42 = 37,849.11 : x
  2. Step 2: Convert to fraction form
    68,062.52/93,928.42 = 37,849.11/x
  3. Step 3: Cross multiply
    68,062.52x = 93,928.42 × 37,849.11
  4. Step 4: Simplify right side
    68,062.52x = 3,555,106,911.46
  5. Step 5: Solve for x
    x = 3,555,106,911.46/68,062.52
  6. Step 6: Final answer
    x = 52,232.96

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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.