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Finding the Fourth Proportional to 239,362.92, 330,323.13 and 131,937.12

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Solution

The fourth proportional to 239,362.92, 330,323.13 and 131,937.12 is: 182,074.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,362.92 : 330,323.13 = 131,937.12 : x
  2. Step 2: Convert to fraction form
    239,362.92/330,323.13 = 131,937.12/x
  3. Step 3: Cross multiply
    239,362.92x = 330,323.13 × 131,937.12
  4. Step 4: Simplify right side
    239,362.92x = 43,581,882,441.59
  5. Step 5: Solve for x
    x = 43,581,882,441.59/239,362.92
  6. Step 6: Final answer
    x = 182,074.49

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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.