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Finding the Fourth Proportional to 181,372.80, 250,255.80 and 109,738.56

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Solution

The fourth proportional to 181,372.80, 250,255.80 and 109,738.56 is: 151,415.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,372.80 : 250,255.80 = 109,738.56 : x
  2. Step 2: Convert to fraction form
    181,372.80/250,255.80 = 109,738.56/x
  3. Step 3: Cross multiply
    181,372.80x = 250,255.80 × 109,738.56
  4. Step 4: Simplify right side
    181,372.80x = 27,462,711,123.65
  5. Step 5: Solve for x
    x = 27,462,711,123.65/181,372.80
  6. Step 6: Final answer
    x = 151,415.82

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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.