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Finding the Fourth Proportional to 67,298, 92,873.16 and 37,491.92

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Solution

The fourth proportional to 67,298, 92,873.16 and 37,491.92 is: 51,739.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,298 : 92,873.16 = 37,491.92 : x
  2. Step 2: Convert to fraction form
    67,298/92,873.16 = 37,491.92/x
  3. Step 3: Cross multiply
    67,298x = 92,873.16 × 37,491.92
  4. Step 4: Simplify right side
    67,298x = 3,481,993,084.87
  5. Step 5: Solve for x
    x = 3,481,993,084.87/67,298
  6. Step 6: Final answer
    x = 51,739.92

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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.