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Finding the Fourth Proportional to 173,397, 239,287.86 and 93,909

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Solution

The fourth proportional to 173,397, 239,287.86 and 93,909 is: 129,594.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,397 : 239,287.86 = 93,909 : x
  2. Step 2: Convert to fraction form
    173,397/239,287.86 = 93,909/x
  3. Step 3: Cross multiply
    173,397x = 239,287.86 × 93,909
  4. Step 4: Simplify right side
    173,397x = 22,471,283,644.74
  5. Step 5: Solve for x
    x = 22,471,283,644.74/173,397
  6. Step 6: Final answer
    x = 129,594.42

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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.