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Finding the Fourth Proportional to 122,497.47, 183,729.47 and 33,738.21

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Solution

The fourth proportional to 122,497.47, 183,729.47 and 33,738.21 is: 50,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,497.47 : 183,729.47 = 33,738.21 : x
  2. Step 2: Convert to fraction form
    122,497.47/183,729.47 = 33,738.21/x
  3. Step 3: Cross multiply
    122,497.47x = 183,729.47 × 33,738.21
  4. Step 4: Simplify right side
    122,497.47x = 6,198,703,273.36
  5. Step 5: Solve for x
    x = 6,198,703,273.36/122,497.47
  6. Step 6: Final answer
    x = 50,602.70

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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.