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Finding the Fourth Proportional to 181,711.75, 250,764.59 and 100,049.50

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Solution

The fourth proportional to 181,711.75, 250,764.59 and 100,049.50 is: 138,069.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,711.75 : 250,764.59 = 100,049.50 : x
  2. Step 2: Convert to fraction form
    181,711.75/250,764.59 = 100,049.50/x
  3. Step 3: Cross multiply
    181,711.75x = 250,764.59 × 100,049.50
  4. Step 4: Simplify right side
    181,711.75x = 25,088,871,847.21
  5. Step 5: Solve for x
    x = 25,088,871,847.21/181,711.75
  6. Step 6: Final answer
    x = 138,069.62

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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.