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Finding the Fourth Proportional to 166,244, 229,418 and 90,792.52

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Solution

The fourth proportional to 166,244, 229,418 and 90,792.52 is: 125,294.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,244 : 229,418 = 90,792.52 : x
  2. Step 2: Convert to fraction form
    166,244/229,418 = 90,792.52/x
  3. Step 3: Cross multiply
    166,244x = 229,418 × 90,792.52
  4. Step 4: Simplify right side
    166,244x = 20,829,438,353.36
  5. Step 5: Solve for x
    x = 20,829,438,353.36/166,244
  6. Step 6: Final answer
    x = 125,294.38

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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.