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Finding the Fourth Proportional to 67,271.84, 92,835.78 and 37,057.30

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Solution

The fourth proportional to 67,271.84, 92,835.78 and 37,057.30 is: 51,139.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,271.84 : 92,835.78 = 37,057.30 : x
  2. Step 2: Convert to fraction form
    67,271.84/92,835.78 = 37,057.30/x
  3. Step 3: Cross multiply
    67,271.84x = 92,835.78 × 37,057.30
  4. Step 4: Simplify right side
    67,271.84x = 3,440,243,350.19
  5. Step 5: Solve for x
    x = 3,440,243,350.19/67,271.84
  6. Step 6: Final answer
    x = 51,139.43

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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.