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Finding the Fourth Proportional to 181,206.67, 250,042.56 and 100,623.24

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Solution

The fourth proportional to 181,206.67, 250,042.56 and 100,623.24 is: 138,847.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,206.67 : 250,042.56 = 100,623.24 : x
  2. Step 2: Convert to fraction form
    181,206.67/250,042.56 = 100,623.24/x
  3. Step 3: Cross multiply
    181,206.67x = 250,042.56 × 100,623.24
  4. Step 4: Simplify right side
    181,206.67x = 25,160,092,525.09
  5. Step 5: Solve for x
    x = 25,160,092,525.09/181,206.67
  6. Step 6: Final answer
    x = 138,847.50

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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.