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Finding the Fourth Proportional to 92,004.70, 138,007.05 and 63,865.30

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Solution

The fourth proportional to 92,004.70, 138,007.05 and 63,865.30 is: 95,797.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,004.70 : 138,007.05 = 63,865.30 : x
  2. Step 2: Convert to fraction form
    92,004.70/138,007.05 = 63,865.30/x
  3. Step 3: Cross multiply
    92,004.70x = 138,007.05 × 63,865.30
  4. Step 4: Simplify right side
    92,004.70x = 8,813,861,650.37
  5. Step 5: Solve for x
    x = 8,813,861,650.37/92,004.70
  6. Step 6: Final answer
    x = 95,797.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.