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Finding the Fourth Proportional to 144,995.54, 200,093.55 and 80,474.68

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Solution

The fourth proportional to 144,995.54, 200,093.55 and 80,474.68 is: 111,054.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,995.54 : 200,093.55 = 80,474.68 : x
  2. Step 2: Convert to fraction form
    144,995.54/200,093.55 = 80,474.68/x
  3. Step 3: Cross multiply
    144,995.54x = 200,093.55 × 80,474.68
  4. Step 4: Simplify right side
    144,995.54x = 16,102,464,406.31
  5. Step 5: Solve for x
    x = 16,102,464,406.31/144,995.54
  6. Step 6: Final answer
    x = 111,054.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.