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Finding the Fourth Proportional to 68,912.02, 103,271.64 and 37,253.71

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Solution

The fourth proportional to 68,912.02, 103,271.64 and 37,253.71 is: 55,828.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,912.02 : 103,271.64 = 37,253.71 : x
  2. Step 2: Convert to fraction form
    68,912.02/103,271.64 = 37,253.71/x
  3. Step 3: Cross multiply
    68,912.02x = 103,271.64 × 37,253.71
  4. Step 4: Simplify right side
    68,912.02x = 3,847,251,727.78
  5. Step 5: Solve for x
    x = 3,847,251,727.78/68,912.02
  6. Step 6: Final answer
    x = 55,828.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.