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Finding the Fourth Proportional to 181,191.06, 250,016.94 and 100,619.28

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Solution

The fourth proportional to 181,191.06, 250,016.94 and 100,619.28 is: 138,839.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,191.06 : 250,016.94 = 100,619.28 : x
  2. Step 2: Convert to fraction form
    181,191.06/250,016.94 = 100,619.28/x
  3. Step 3: Cross multiply
    181,191.06x = 250,016.94 × 100,619.28
  4. Step 4: Simplify right side
    181,191.06x = 25,156,524,490.60
  5. Step 5: Solve for x
    x = 25,156,524,490.60/181,191.06
  6. Step 6: Final answer
    x = 138,839.77

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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.