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Finding the Fourth Proportional to 173,385.75, 239,272.62 and 93,897.75

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Solution

The fourth proportional to 173,385.75, 239,272.62 and 93,897.75 is: 129,579.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,385.75 : 239,272.62 = 93,897.75 : x
  2. Step 2: Convert to fraction form
    173,385.75/239,272.62 = 93,897.75/x
  3. Step 3: Cross multiply
    173,385.75x = 239,272.62 × 93,897.75
  4. Step 4: Simplify right side
    173,385.75x = 22,467,160,654.61
  5. Step 5: Solve for x
    x = 22,467,160,654.61/173,385.75
  6. Step 6: Final answer
    x = 129,579.05

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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.