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Finding the Fourth Proportional to 166,353.52, 229,573.52 and 90,906.88

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Solution

The fourth proportional to 166,353.52, 229,573.52 and 90,906.88 is: 125,454.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,353.52 : 229,573.52 = 90,906.88 : x
  2. Step 2: Convert to fraction form
    166,353.52/229,573.52 = 90,906.88/x
  3. Step 3: Cross multiply
    166,353.52x = 229,573.52 × 90,906.88
  4. Step 4: Simplify right side
    166,353.52x = 20,869,812,433.82
  5. Step 5: Solve for x
    x = 20,869,812,433.82/166,353.52
  6. Step 6: Final answer
    x = 125,454.59

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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.