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Finding the Fourth Proportional to 180,710.65, 270,806.78 and 132,953.05

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Solution

The fourth proportional to 180,710.65, 270,806.78 and 132,953.05 is: 199,238.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,710.65 : 270,806.78 = 132,953.05 : x
  2. Step 2: Convert to fraction form
    180,710.65/270,806.78 = 132,953.05/x
  3. Step 3: Cross multiply
    180,710.65x = 270,806.78 × 132,953.05
  4. Step 4: Simplify right side
    180,710.65x = 36,004,586,696.91
  5. Step 5: Solve for x
    x = 36,004,586,696.91/180,710.65
  6. Step 6: Final answer
    x = 199,238.88

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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.