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Finding the Fourth Proportional to 142,245.56, 213,800.28 and 95,028.20

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Solution

The fourth proportional to 142,245.56, 213,800.28 and 95,028.20 is: 142,830.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,245.56 : 213,800.28 = 95,028.20 : x
  2. Step 2: Convert to fraction form
    142,245.56/213,800.28 = 95,028.20/x
  3. Step 3: Cross multiply
    142,245.56x = 213,800.28 × 95,028.20
  4. Step 4: Simplify right side
    142,245.56x = 20,317,055,767.90
  5. Step 5: Solve for x
    x = 20,317,055,767.90/142,245.56
  6. Step 6: Final answer
    x = 142,830.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.