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Finding the Fourth Proportional to 122,138.97, 183,199.69 and 37,896.97

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Solution

The fourth proportional to 122,138.97, 183,199.69 and 37,896.97 is: 56,842.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,138.97 : 183,199.69 = 37,896.97 : x
  2. Step 2: Convert to fraction form
    122,138.97/183,199.69 = 37,896.97/x
  3. Step 3: Cross multiply
    122,138.97x = 183,199.69 × 37,896.97
  4. Step 4: Simplify right side
    122,138.97x = 6,942,713,155.94
  5. Step 5: Solve for x
    x = 6,942,713,155.94/122,138.97
  6. Step 6: Final answer
    x = 56,842.74

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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.