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Finding the Fourth Proportional to 239,273.40, 330,212.02 and 131,843.40

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Solution

The fourth proportional to 239,273.40, 330,212.02 and 131,843.40 is: 181,952.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,273.40 : 330,212.02 = 131,843.40 : x
  2. Step 2: Convert to fraction form
    239,273.40/330,212.02 = 131,843.40/x
  3. Step 3: Cross multiply
    239,273.40x = 330,212.02 × 131,843.40
  4. Step 4: Simplify right side
    239,273.40x = 43,536,275,437.67
  5. Step 5: Solve for x
    x = 43,536,275,437.67/239,273.40
  6. Step 6: Final answer
    x = 181,952.01

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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.