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Finding the Fourth Proportional to 171,243.77, 255,815.60 and 123,450.98

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Solution

The fourth proportional to 171,243.77, 255,815.60 and 123,450.98 is: 184,419.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,243.77 : 255,815.60 = 123,450.98 : x
  2. Step 2: Convert to fraction form
    171,243.77/255,815.60 = 123,450.98/x
  3. Step 3: Cross multiply
    171,243.77x = 255,815.60 × 123,450.98
  4. Step 4: Simplify right side
    171,243.77x = 31,580,685,902.03
  5. Step 5: Solve for x
    x = 31,580,685,902.03/171,243.77
  6. Step 6: Final answer
    x = 184,419.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.