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Finding the Fourth Proportional to 136,054.20, 204,081.30 and 123,588.30

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Solution

The fourth proportional to 136,054.20, 204,081.30 and 123,588.30 is: 185,382.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,054.20 : 204,081.30 = 123,588.30 : x
  2. Step 2: Convert to fraction form
    136,054.20/204,081.30 = 123,588.30/x
  3. Step 3: Cross multiply
    136,054.20x = 204,081.30 × 123,588.30
  4. Step 4: Simplify right side
    136,054.20x = 25,222,060,928.79
  5. Step 5: Solve for x
    x = 25,222,060,928.79/136,054.20
  6. Step 6: Final answer
    x = 185,382.45

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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.