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Finding the Fourth Proportional to 67,369.87, 92,969.94 and 37,156.42

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Solution

The fourth proportional to 67,369.87, 92,969.94 and 37,156.42 is: 51,275.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,369.87 : 92,969.94 = 37,156.42 : x
  2. Step 2: Convert to fraction form
    67,369.87/92,969.94 = 37,156.42/x
  3. Step 3: Cross multiply
    67,369.87x = 92,969.94 × 37,156.42
  4. Step 4: Simplify right side
    67,369.87x = 3,454,430,138.01
  5. Step 5: Solve for x
    x = 3,454,430,138.01/67,369.87
  6. Step 6: Final answer
    x = 51,275.59

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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.