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Finding the Fourth Proportional to 122,415, 183,620.22 and 33,668.12

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Solution

The fourth proportional to 122,415, 183,620.22 and 33,668.12 is: 50,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,415 : 183,620.22 = 33,668.12 : x
  2. Step 2: Convert to fraction form
    122,415/183,620.22 = 33,668.12/x
  3. Step 3: Cross multiply
    122,415x = 183,620.22 × 33,668.12
  4. Step 4: Simplify right side
    122,415x = 6,182,147,601.39
  5. Step 5: Solve for x
    x = 6,182,147,601.39/122,415
  6. Step 6: Final answer
    x = 50,501.55

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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.