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Finding the Fourth Proportional to 122,503.47, 183,738.47 and 33,744.21

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Solution

The fourth proportional to 122,503.47, 183,738.47 and 33,744.21 is: 50,611.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,503.47 : 183,738.47 = 33,744.21 : x
  2. Step 2: Convert to fraction form
    122,503.47/183,738.47 = 33,744.21/x
  3. Step 3: Cross multiply
    122,503.47x = 183,738.47 × 33,744.21
  4. Step 4: Simplify right side
    122,503.47x = 6,200,109,348.04
  5. Step 5: Solve for x
    x = 6,200,109,348.04/122,503.47
  6. Step 6: Final answer
    x = 50,611.70

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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.