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Finding the Fourth Proportional to 166,562.20, 249,843.30 and 143,234.20

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Solution

The fourth proportional to 166,562.20, 249,843.30 and 143,234.20 is: 214,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,562.20 : 249,843.30 = 143,234.20 : x
  2. Step 2: Convert to fraction form
    166,562.20/249,843.30 = 143,234.20/x
  3. Step 3: Cross multiply
    166,562.20x = 249,843.30 × 143,234.20
  4. Step 4: Simplify right side
    166,562.20x = 35,786,105,200.86
  5. Step 5: Solve for x
    x = 35,786,105,200.86/166,562.20
  6. Step 6: Final answer
    x = 214,851.30

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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.