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Finding the Fourth Proportional to 67,198.50, 92,734.02 and 37,390.50

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Solution

The fourth proportional to 67,198.50, 92,734.02 and 37,390.50 is: 51,598.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,198.50 : 92,734.02 = 37,390.50 : x
  2. Step 2: Convert to fraction form
    67,198.50/92,734.02 = 37,390.50/x
  3. Step 3: Cross multiply
    67,198.50x = 92,734.02 × 37,390.50
  4. Step 4: Simplify right side
    67,198.50x = 3,467,371,374.81
  5. Step 5: Solve for x
    x = 3,467,371,374.81/67,198.50
  6. Step 6: Final answer
    x = 51,598.94

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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.