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Finding the Fourth Proportional to 67,356.46, 92,947.62 and 37,140.04

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Solution

The fourth proportional to 67,356.46, 92,947.62 and 37,140.04 is: 51,250.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,356.46 : 92,947.62 = 37,140.04 : x
  2. Step 2: Convert to fraction form
    67,356.46/92,947.62 = 37,140.04/x
  3. Step 3: Cross multiply
    67,356.46x = 92,947.62 × 37,140.04
  4. Step 4: Simplify right side
    67,356.46x = 3,452,078,324.70
  5. Step 5: Solve for x
    x = 3,452,078,324.70/67,356.46
  6. Step 6: Final answer
    x = 51,250.89

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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.