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Finding the Fourth Proportional to 283,222.32, 425,096.28 and 143,079.36

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Solution

The fourth proportional to 283,222.32, 425,096.28 and 143,079.36 is: 214,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,222.32 : 425,096.28 = 143,079.36 : x
  2. Step 2: Convert to fraction form
    283,222.32/425,096.28 = 143,079.36/x
  3. Step 3: Cross multiply
    283,222.32x = 425,096.28 × 143,079.36
  4. Step 4: Simplify right side
    283,222.32x = 60,822,503,680.78
  5. Step 5: Solve for x
    x = 60,822,503,680.78/283,222.32
  6. Step 6: Final answer
    x = 214,751.80

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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.