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Finding the Fourth Proportional to 122,124.91, 183,081.39 and 47,299.44

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Solution

The fourth proportional to 122,124.91, 183,081.39 and 47,299.44 is: 70,908.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,124.91 : 183,081.39 = 47,299.44 : x
  2. Step 2: Convert to fraction form
    122,124.91/183,081.39 = 47,299.44/x
  3. Step 3: Cross multiply
    122,124.91x = 183,081.39 × 47,299.44
  4. Step 4: Simplify right side
    122,124.91x = 8,659,646,357.49
  5. Step 5: Solve for x
    x = 8,659,646,357.49/122,124.91
  6. Step 6: Final answer
    x = 70,908.11

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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.