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Finding the Fourth Proportional to 67,339.30, 92,928.86 and 37,125.70

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Solution

The fourth proportional to 67,339.30, 92,928.86 and 37,125.70 is: 51,233.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,339.30 : 92,928.86 = 37,125.70 : x
  2. Step 2: Convert to fraction form
    67,339.30/92,928.86 = 37,125.70/x
  3. Step 3: Cross multiply
    67,339.30x = 92,928.86 × 37,125.70
  4. Step 4: Simplify right side
    67,339.30x = 3,450,048,977.70
  5. Step 5: Solve for x
    x = 3,450,048,977.70/67,339.30
  6. Step 6: Final answer
    x = 51,233.81

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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.