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Finding the Fourth Proportional to 166,108.80, 249,163.20 and 136,584.30

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Solution

The fourth proportional to 166,108.80, 249,163.20 and 136,584.30 is: 204,876.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,108.80 : 249,163.20 = 136,584.30 : x
  2. Step 2: Convert to fraction form
    166,108.80/249,163.20 = 136,584.30/x
  3. Step 3: Cross multiply
    166,108.80x = 249,163.20 × 136,584.30
  4. Step 4: Simplify right side
    166,108.80x = 34,031,781,257.76
  5. Step 5: Solve for x
    x = 34,031,781,257.76/166,108.80
  6. Step 6: Final answer
    x = 204,876.45

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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.