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Finding the Fourth Proportional to 181,344.32, 250,250.28 and 100,769.84

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Solution

The fourth proportional to 181,344.32, 250,250.28 and 100,769.84 is: 139,059.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,344.32 : 250,250.28 = 100,769.84 : x
  2. Step 2: Convert to fraction form
    181,344.32/250,250.28 = 100,769.84/x
  3. Step 3: Cross multiply
    181,344.32x = 250,250.28 × 100,769.84
  4. Step 4: Simplify right side
    181,344.32x = 25,217,680,675.56
  5. Step 5: Solve for x
    x = 25,217,680,675.56/181,344.32
  6. Step 6: Final answer
    x = 139,059.67

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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.