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Finding the Fourth Proportional to 122,443.56, 183,669.36 and 33,696.72

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Solution

The fourth proportional to 122,443.56, 183,669.36 and 33,696.72 is: 50,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,443.56 : 183,669.36 = 33,696.72 : x
  2. Step 2: Convert to fraction form
    122,443.56/183,669.36 = 33,696.72/x
  3. Step 3: Cross multiply
    122,443.56x = 183,669.36 × 33,696.72
  4. Step 4: Simplify right side
    122,443.56x = 6,189,054,996.50
  5. Step 5: Solve for x
    x = 6,189,054,996.50/122,443.56
  6. Step 6: Final answer
    x = 50,546.19

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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.